focus-mode: Add OAuth consent and free trials view for YTM

This CL will add an OAuth consent view and a 3 months free trials view
for the YouTube Music sound section view.

Bug: b/359225463, b/362610166
Test: Manual
Change-Id: I7dc2bf3d331b217a882d12b3cdb660b2d41a691b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5846430
Reviewed-by: Richard Chui <richui@chromium.org>
Reviewed-by: Rushan Suleymanov <rushans@google.com>
Commit-Queue: Hongyu Long <hongyulong@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1355976}

ash/ash_strings.grd

@@ -817,11 +817,23 @@ Style notes:
       <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_MEDIA_CONTROLS_SOURCE_TITLE" desc="The source title shown in the media controls if a focus mode playlist is selected and playing.">
         <ph name="PLAYLIST_TYPE">$1<ex>Focus sounds</ex></ph> ᐧ <ph name="PLAYLIST_TITLE">$2<ex>Nature</ex></ph>
       </message>
+      <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_LABEL" desc="The text on the label used for showing a text to mention the user the focus panel will access the YouTube Music for personalized music.">
+        For personalized focus playlists, allow access to YouTube Music
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_BUTTON" desc="The text on the get started button.">
+        Get started
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_LABEL" desc="The text on the label used for showing a text to mention the user to get three months free trial of YouTube Music premium.">
+        Stay on track with personalized focus playlists. Get YouTube Music and YouTube, ad-free, with 3 months of YouTube Premium at no cost.
+      </message>
+      <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_BUTTON" desc="The text on the free trial button.">
+        Get perk
+      </message>
       <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_NON_PREMIUM_LABEL" desc="The text on the label used for showing a text to mention the user without a premium account for YouTube Music.">
-        For personalized playlists and more focus music, try YouTube Music Premium
+        To listen to music ad-free and enjoy personalized focus music, try YouTube Music Premium
       </message>
       <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_LEARN_MORE_BUTTON" desc="The text on the learn more button.">
-        Learn more
+        Get Music Premium
       </message>
       <message name="IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OFFLINE_LABEL_ONE" desc="The text shown to the user in the first line of the sounds view when they are offline.">
         You're offline.

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_BUTTON.png.sha1

@@ -0,0 +1 @@
+4867c4d599a4434f40507b63369b5a52b46cc4f8

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_LABEL.png.sha1

@@ -0,0 +1 @@
+76dec517aa261da6643a4d1f3692291b4ad08c5d

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_LEARN_MORE_BUTTON.png.sha1

@@ -1 +1 @@
-f3c0aa0fefb84d77795f5b28c635b84afde6e1a3
+6e0a382db28731d280e7dd613bce630c7668b9c3

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_NON_PREMIUM_LABEL.png.sha1

@@ -1 +1 @@
-011ac826b4ff366e81ebfd8aa8384288d9dc1c04
+4d3f8c4653e723d52c18df19d5a6d667f26d3482

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_BUTTON.png.sha1

@@ -0,0 +1 @@
+2602d2139da529e1cbd0e96c51fb3b47f00c2769

ash/ash_strings_grd/IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_LABEL.png.sha1

@@ -0,0 +1 @@
+f25ac9233056f22745796375a4f354ab97f73768

ash/constants/ash_pref_names.h

@@ -2259,6 +2259,14 @@ inline constexpr char kFocusModeDeviceId[] = "ash.focus_mode.device_id";
 // An string enum pref containing the enabled sound types.
 inline constexpr char kFocusModeSoundsEnabled[] =
     "ash.focus_mode.sounds_enabled";
+// A boolean pref of whether the focus panel shows the OAuth consent screen for
+// YouTube Music.
+inline constexpr char kFocusModeYTMDisplayOAuthConsent[] =
+    "ash.focus_mode.youtube_music.oauth";
+// A boolean pref of whether the focus panel shows the view to let the user know
+// a 3 months free trial for YouTube Music.
+inline constexpr char kFocusModeYTMDisplayFreeTrial[] =
+    "ash.focus_mode.youtube_music.free_trial";
 
 // An integer pref that holds enum value of current demo mode configuration.
 // Values are defined by DemoSession::DemoModeConfig enum.

ash/public/cpp/system_tray_client.h

@@ -222,6 +222,7 @@ class ASH_PUBLIC_EXPORT SystemTrayClient {
 
   // Shows a page about premium plans.
   virtual void ShowYouTubeMusicPremiumPage() = 0;
+  virtual void ShowChromebookPerksYouTubePage() = 0;
 
   // Shows settings related to keyboards.
   virtual void ShowKeyboardSettings() = 0;

ash/public/cpp/test/test_system_tray_client.cc

@@ -210,6 +210,10 @@ void TestSystemTrayClient::ShowYouTubeMusicPremiumPage() {
   ++show_youtube_music_premium_page_count_;
 }
 
+void TestSystemTrayClient::ShowChromebookPerksYouTubePage() {
+  ++show_chromebook_perks_youtube_page_count_;
+}
+
 void TestSystemTrayClient::ShowKeyboardSettings() {
   ++show_keyboard_settings_count_;
 }

ash/public/cpp/test/test_system_tray_client.h

@@ -86,6 +86,7 @@ class ASH_PUBLIC_EXPORT TestSystemTrayClient : public SystemTrayClient {
   void ShowTouchpadSettings() override;
   void ShowRemapKeysSubpage(int device_id) override;
   void ShowYouTubeMusicPremiumPage() override;
+  void ShowChromebookPerksYouTubePage() override;
   void ShowKeyboardSettings() override;
   void ShowPointingStickSettings() override;
   void ShowNearbyShareSettings() override;
@@ -228,6 +229,10 @@ class ASH_PUBLIC_EXPORT TestSystemTrayClient : public SystemTrayClient {
     return show_youtube_music_premium_page_count_;
   }
 
+  int show_chromebook_perks_youtube_page_count() const {
+    return show_chromebook_perks_youtube_page_count_;
+  }
+
   int show_keyboard_settings_count() const {
     return show_keyboard_settings_count_;
   }
@@ -281,6 +286,7 @@ class ASH_PUBLIC_EXPORT TestSystemTrayClient : public SystemTrayClient {
   int show_touchpad_settings_count_ = 0;
   int show_remap_keys_subpage_count_ = 0;
   int show_youtube_music_premium_page_count_ = 0;
+  int show_chromebook_perks_youtube_page_count_ = 0;
   int show_keyboard_settings_count_ = 0;
   int show_pointing_stick_settings_count_ = 0;
   int show_nearby_share_settings_count_ = 0;

ash/system/focus_mode/focus_mode_controller.cc

@@ -201,6 +201,14 @@ void FocusModeController::RegisterProfilePrefs(PrefRegistrySimple* registry) {
       prefs::kFocusModeSoundSection,
       user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
 
+  // Prefs for YouTube Music.
+  registry->RegisterBooleanPref(
+      prefs::kFocusModeYTMDisplayOAuthConsent, /*default_value=*/true,
+      user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
+  registry->RegisterBooleanPref(
+      prefs::kFocusModeYTMDisplayFreeTrial, /*default_value=*/true,
+      user_prefs::PrefRegistrySyncable::SYNCABLE_OS_PREF);
+
   // Pref is device-local and should never be synced.
   registry->RegisterStringPref(prefs::kFocusModeDeviceId, "");
 

ash/system/focus_mode/sounds/focus_mode_sounds_controller.cc

@@ -607,6 +607,52 @@ void FocusModeSoundsController::ReportYouTubeMusicPlayback(
   youtube_music_delegate_->ReportPlayback(playback_data);
 }
 
+bool FocusModeSoundsController::ShouldDisplayYouTubeMusicOAuth() const {
+  if (PrefService* active_user_prefs =
+          Shell::Get()->session_controller()->GetActivePrefService()) {
+    return active_user_prefs->GetBoolean(
+        prefs::kFocusModeYTMDisplayOAuthConsent);
+  }
+  CHECK_IS_TEST();
+  return true;
+}
+
+void FocusModeSoundsController::SavePrefForDisplayYouTubeMusicOAuth() {
+  if (PrefService* active_user_prefs =
+          Shell::Get()->session_controller()->GetActivePrefService()) {
+    active_user_prefs->SetBoolean(prefs::kFocusModeYTMDisplayOAuthConsent,
+                                  false);
+  }
+}
+
+bool FocusModeSoundsController::ShouldDisplayYouTubeMusicFreeTrial() const {
+  if (PrefService* active_user_prefs =
+          Shell::Get()->session_controller()->GetActivePrefService()) {
+    return active_user_prefs->GetBoolean(prefs::kFocusModeYTMDisplayFreeTrial);
+  }
+  CHECK_IS_TEST();
+  return true;
+}
+
+void FocusModeSoundsController::SavePrefForDisplayYouTubeMusicFreeTrial() {
+  if (PrefService* active_user_prefs =
+          Shell::Get()->session_controller()->GetActivePrefService()) {
+    active_user_prefs->SetBoolean(prefs::kFocusModeYTMDisplayFreeTrial, false);
+  }
+}
+
+bool FocusModeSoundsController::IsMinorUser() {
+  // `ChromeFocusModeDelegate::IsMinorUser` doesn't work in browsertest, since
+  // it always returns true. `can_use_manta_service()` is
+  // `signin::Tribool::kUnknown`.
+  if (is_minor_user_for_testing_.has_value()) {
+    CHECK_IS_TEST();
+    return is_minor_user_for_testing_.value();
+  }
+
+  return FocusModeController::Get()->delegate()->IsMinorUser();
+}
+
 void FocusModeSoundsController::SetIsMinorUserForTesting(bool is_minor_user) {
   CHECK_IS_TEST();
   is_minor_user_for_testing_ = is_minor_user;
@@ -712,17 +758,12 @@ void FocusModeSoundsController::OnPrefChanged() {
       Shell::Get()->session_controller()->GetActivePrefService();
   enabled_sound_sections_ = ReadSoundSectionPolicy(active_user_prefs);
 
-  // `ChromeFocusModeDelegate::IsMinorUser` doesn't work in browsertest, since
-  // it always returns true. `can_use_manta_service()` is
-  // `signin::Tribool::kUnknown`.
-  const bool is_minor_user =
-      is_minor_user_for_testing_.has_value()
-          ? is_minor_user_for_testing_.value()
-          : FocusModeController::Get()->delegate()->IsMinorUser();
+  // TODO: If we want to block the whole YTM section, we should make changes
+  // here. And remove the calls to `FocusModeSoundsController::IsMinorUser()` in
+  // `FocusModeSoundsView`.
 
-  // Hide the YTM sound section if the flag isn't enabled or if the user is
-  // considered a minor user.
-  if (!features::IsFocusModeYTMEnabled() || is_minor_user) {
+  // Hide the YTM sound section if the flag isn't enabled.
+  if (!features::IsFocusModeYTMEnabled()) {
     enabled_sound_sections_.erase(focus_mode_util::SoundType::kYouTubeMusic);
   }
 }

ash/system/focus_mode/sounds/focus_mode_sounds_controller.h

@@ -162,6 +162,11 @@ class ASH_EXPORT FocusModeSoundsController
   void ReportYouTubeMusicPlayback(
       const youtube_music::PlaybackData& playback_data);
 
+  bool ShouldDisplayYouTubeMusicOAuth() const;
+  void SavePrefForDisplayYouTubeMusicOAuth();
+  bool ShouldDisplayYouTubeMusicFreeTrial() const;
+  void SavePrefForDisplayYouTubeMusicFreeTrial();
+
   void set_soundscape_playlists_for_testing(
       std::vector<std::unique_ptr<Playlist>> soundscape_playlists) {
     soundscape_playlists_.swap(soundscape_playlists);
@@ -182,6 +187,7 @@ class ASH_EXPORT FocusModeSoundsController
     simulate_playback_for_testing_ = true;
   }
 
+  bool IsMinorUser();
   void SetIsMinorUserForTesting(bool is_minor_user);
 
  private:

ash/system/focus_mode/sounds/focus_mode_sounds_view.cc

@@ -8,6 +8,7 @@
 
 #include "ash/public/cpp/system_tray_client.h"
 #include "ash/resources/vector_icons/vector_icons.h"
+#include "ash/session/session_controller_impl.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/style/error_message_toast.h"
@@ -19,6 +20,7 @@
 #include "ash/system/focus_mode/focus_mode_controller.h"
 #include "ash/system/focus_mode/focus_mode_detailed_view.h"
 #include "ash/system/focus_mode/focus_mode_util.h"
+#include "ash/system/focus_mode/sounds/focus_mode_sounds_controller.h"
 #include "ash/system/focus_mode/sounds/playlist_view.h"
 #include "ash/system/focus_mode/sounds/sound_section_view.h"
 #include "ash/system/model/system_tray_model.h"
@@ -31,6 +33,7 @@
 #include "ui/views/accessibility/view_accessibility.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout_view.h"
+#include "ui/views/view.h"
 #include "ui/views/view_class_properties.h"
 
 namespace ash {
@@ -57,16 +60,27 @@ constexpr gfx::Insets kErrorMessageButtonInsets =
     gfx::Insets::TLBR(8, 10, 8, 16);
 constexpr gfx::Insets kErrorMessageLabelInsets = gfx::Insets::TLBR(8, 16, 8, 0);
 
-std::unique_ptr<views::BoxLayoutView> CreateNonPremiumView() {
+// "01 Jan 2026 00:00 UTC" in milliseconds calculated by
+// https://currentmillis.com/
+constexpr base::Time kFreeTrialExpryTime =
+    base::Time::FromMillisecondsSinceUnixEpoch(1767225600000L);
+
+bool IsFreeTrialExpired(base::Time now) {
+  return now >= kFreeTrialExpryTime;
+}
+
+std::unique_ptr<views::BoxLayoutView> CreateYouTubeMusicAlternateViewBase(
+    const int label_message_id,
+    const int button_message_id,
+    views::Button::PressedCallback callback) {
   auto box_view = std::make_unique<views::BoxLayoutView>();
   box_view->SetOrientation(views::BoxLayout::Orientation::kVertical);
   box_view->SetCrossAxisAlignment(
       views::BoxLayout::CrossAxisAlignment::kCenter);
   box_view->SetBetweenChildSpacing(kNonPremiumChildViewsSpacing);
 
-  auto* label = box_view->AddChildView(
-      std::make_unique<views::Label>(l10n_util::GetStringUTF16(
-          IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_NON_PREMIUM_LABEL)));
+  auto* label = box_view->AddChildView(std::make_unique<views::Label>(
+      l10n_util::GetStringUTF16(label_message_id)));
   label->SetMultiLine(true);
   // For the label view with multiple lines, we need to set the max width for
   // it to calculate the total height of multiple lines.
@@ -77,20 +91,49 @@ std::unique_ptr<views::BoxLayoutView> CreateNonPremiumView() {
   label->SetEnabledColorId(cros_tokens::kCrosSysOnSurface);
 
   auto* button = box_view->AddChildView(std::make_unique<PillButton>(
-      views::Button::PressedCallback(base::BindRepeating([]() {
-        Shell::Get()
-            ->system_tray_model()
-            ->client()
-            ->ShowYouTubeMusicPremiumPage();
-      })),
-      l10n_util::GetStringUTF16(
-          IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_LEARN_MORE_BUTTON),
+      std::move(callback), l10n_util::GetStringUTF16(button_message_id),
       PillButton::Type::kSecondaryWithoutIcon));
   button->SetBackgroundColorId(cros_tokens::kCrosSysHighlightShape);
   button->SetButtonTextColorId(cros_tokens::kCrosSysSystemOnPrimaryContainer);
   return box_view;
 }
 
+std::unique_ptr<views::BoxLayoutView> CreateFreeTrialView() {
+  return CreateYouTubeMusicAlternateViewBase(
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_LABEL,
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_FREE_TRIAL_BUTTON,
+      base::BindRepeating([]() {
+        FocusModeController::Get()
+            ->focus_mode_sounds_controller()
+            ->SavePrefForDisplayYouTubeMusicFreeTrial();
+
+        Shell::Get()
+            ->system_tray_model()
+            ->client()
+            ->ShowChromebookPerksYouTubePage();
+      }));
+}
+
+std::unique_ptr<views::BoxLayoutView> CreateNonPremiumView() {
+  return CreateYouTubeMusicAlternateViewBase(
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_NON_PREMIUM_LABEL,
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_LEARN_MORE_BUTTON,
+      base::BindRepeating([]() {
+        Shell::Get()
+            ->system_tray_model()
+            ->client()
+            ->ShowYouTubeMusicPremiumPage();
+      }));
+}
+
+std::unique_ptr<views::BoxLayoutView> CreateOAuthView(
+    views::Button::PressedCallback callback) {
+  return CreateYouTubeMusicAlternateViewBase(
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_LABEL,
+      IDS_ASH_STATUS_TRAY_FOCUS_MODE_SOUNDS_OAUTH_CONSENT_BUTTON,
+      std::move(callback));
+}
+
 std::unique_ptr<views::Label> CreateOfflineLabel(const int message_id) {
   auto label =
       std::make_unique<views::Label>(l10n_util::GetStringUTF16(message_id));
@@ -153,21 +196,6 @@ FocusModeSoundsView::FocusModeSoundsView(
 
   if (is_network_connected) {
     CreatesSoundSectionViews(sound_sections);
-
-    if (soundscape_container_) {
-      // Start downloading playlists for Soundscape.
-      DownloadPlaylistsForType(/*is_soundscape_type=*/true);
-    }
-
-    if (youtube_music_container_) {
-      // Set the no premium callback and start downloading playlists for YouTube
-      // Music.
-      sounds_controller->SetYouTubeMusicNoPremiumCallback(base::BindRepeating(
-          &FocusModeSoundsView::ToggleYouTubeMusicAlternateView,
-          weak_factory_.GetWeakPtr(), /*show=*/true));
-      DownloadPlaylistsForType(/*is_soundscape_type=*/false);
-    }
-
     if (should_show_soundscapes) {
       OnSoundscapeButtonToggled();
     } else {
@@ -354,17 +382,56 @@ void FocusModeSoundsView::CreatesSoundSectionViews(
   if (base::Contains(sound_sections, focus_mode_util::SoundType::kSoundscape)) {
     soundscape_container_ = AddChildView(std::make_unique<SoundSectionView>(
         focus_mode_util::SoundType::kSoundscape));
+    // Start downloading playlists for Soundscape.
+    DownloadPlaylistsForType(/*is_soundscape_type=*/true);
   }
 
   if (base::Contains(sound_sections,
                      focus_mode_util::SoundType::kYouTubeMusic)) {
     youtube_music_container_ = AddChildView(std::make_unique<SoundSectionView>(
         focus_mode_util::SoundType::kYouTubeMusic));
-    youtube_music_container_->SetAlternateView(CreateNonPremiumView());
+
+    auto* sounds_controller =
+        FocusModeController::Get()->focus_mode_sounds_controller();
+    if (sounds_controller->ShouldDisplayYouTubeMusicOAuth()) {
+      youtube_music_container_->SetAlternateView(
+          CreateOAuthView(base::BindRepeating(
+              &FocusModeSoundsView::OnOAuthGetStartedButtonPressed,
+              weak_factory_.GetWeakPtr())));
+      ToggleYouTubeMusicAlternateView(/*show=*/true);
+      return;
+    }
+
+    if (!sounds_controller->IsMinorUser() &&
+        sounds_controller->ShouldDisplayYouTubeMusicFreeTrial() &&
+        !IsFreeTrialExpired(base::Time::Now())) {
+      youtube_music_container_->SetAlternateView(CreateFreeTrialView());
+    } else {
+      youtube_music_container_->SetAlternateView(CreateNonPremiumView());
+    }
     ToggleYouTubeMusicAlternateView(/*show=*/false);
+    DownloadPlaylistsForType(/*is_soundscape_type=*/false);
   }
 }
 
+void FocusModeSoundsView::OnOAuthGetStartedButtonPressed() {
+  auto* sounds_controller =
+      FocusModeController::Get()->focus_mode_sounds_controller();
+  sounds_controller->SavePrefForDisplayYouTubeMusicOAuth();
+
+  // Sets the alternate view to either the free trial view or the non-premium
+  // view for `youtube_music_container_`.
+  if (!sounds_controller->IsMinorUser() &&
+      sounds_controller->ShouldDisplayYouTubeMusicFreeTrial() &&
+      !IsFreeTrialExpired(base::Time::Now())) {
+    youtube_music_container_->SetAlternateView(CreateFreeTrialView());
+  } else {
+    youtube_music_container_->SetAlternateView(CreateNonPremiumView());
+  }
+  ToggleYouTubeMusicAlternateView(/*show=*/false);
+  DownloadPlaylistsForType(/*is_soundscape_type=*/false);
+}
+
 void FocusModeSoundsView::ToggleYouTubeMusicAlternateView(bool show) {
   CHECK(youtube_music_container_);
   youtube_music_container_->ShowAlternateView(show);
@@ -395,12 +462,19 @@ void FocusModeSoundsView::MayShowSoundscapeContainer(bool show) {
 }
 
 void FocusModeSoundsView::DownloadPlaylistsForType(bool is_soundscape_type) {
-  FocusModeController::Get()
-      ->focus_mode_sounds_controller()
-      ->DownloadPlaylistsForType(
-          is_soundscape_type,
-          base::BindOnce(&FocusModeSoundsView::UpdateSoundsView,
-                         weak_factory_.GetWeakPtr()));
+  auto* sounds_controller =
+      FocusModeController::Get()->focus_mode_sounds_controller();
+
+  // Set the no premium callback only if we start downloading the YTM playlists.
+  if (!is_soundscape_type) {
+    sounds_controller->SetYouTubeMusicNoPremiumCallback(base::BindRepeating(
+        &FocusModeSoundsView::ToggleYouTubeMusicAlternateView,
+        weak_factory_.GetWeakPtr(), /*show=*/true));
+  }
+
+  sounds_controller->DownloadPlaylistsForType(
+      is_soundscape_type, base::BindOnce(&FocusModeSoundsView::UpdateSoundsView,
+                                         weak_factory_.GetWeakPtr()));
 }
 
 void FocusModeSoundsView::MaybeDismissErrorMessage() {

ash/system/focus_mode/sounds/focus_mode_sounds_view.h

@@ -66,10 +66,15 @@ class ASH_EXPORT FocusModeSoundsView
   void CreateHeader(const base::flat_set<focus_mode_util::SoundType>& sections,
                     bool is_network_connected);
 
-  // Creates `soundscape_container_` and `youtube_music_container_`.
+  // Creates `soundscape_container_` and `youtube_music_container_` and may
+  // download playlists.
   void CreatesSoundSectionViews(
       const base::flat_set<focus_mode_util::SoundType>& sections);
 
+  // Called when the Get started button in the YouTube Music OAuth consent view
+  // was pressed.
+  void OnOAuthGetStartedButtonPressed();
+
   // Toggles YouTube Music alternate view. It's used to update the UIs for
   // non-premium account.
   void ToggleYouTubeMusicAlternateView(bool show);

ash/system/focus_mode/sounds/sound_section_view.cc

@@ -74,6 +74,10 @@ void SoundSectionView::ShowAlternateView(bool show_alternate_view) {
 void SoundSectionView::SetAlternateView(
     std::unique_ptr<views::BoxLayoutView> alternate_view) {
   CHECK(alternate_view);
+  if (alternate_view_.get()) {
+    RemoveChildViewT(std::exchange(alternate_view_, nullptr));
+  }
+
   alternate_view_ = AddChildView(std::move(alternate_view));
 }
 

chrome/browser/sync/prefs/chrome_syncable_prefs_database.cc

@@ -361,6 +361,8 @@ enum {
   kAccessibilityFlashNotificationsColor = 100299,
   kPinnedChromeLabsMigrationComplete = 100300,
   kAccessibilityFaceGazeGesturesToKeyCombos = 100301,
+  kFocusModeYTMDisplayOAuthConsent = 100302,
+  kFocusModeYTMDisplayFreeTrial = 100303,
   // See components/sync_preferences/README.md about adding new entries here.
   // vvvvv IMPORTANT! vvvvv
   // Note to the reviewer: IT IS YOUR RESPONSIBILITY to ensure that new syncable
@@ -750,6 +752,14 @@ constexpr auto kChromeSyncablePrefsAllowlist = base::MakeFixedFlatMap<
      {syncable_prefs_ids::kFocusModeSoundSection, syncer::OS_PREFERENCES,
       sync_preferences::PrefSensitivity::kNone,
       sync_preferences::MergeBehavior::kNone}},
+    {ash::prefs::kFocusModeYTMDisplayOAuthConsent,
+     {syncable_prefs_ids::kFocusModeYTMDisplayOAuthConsent,
+      syncer::OS_PREFERENCES, sync_preferences::PrefSensitivity::kNone,
+      sync_preferences::MergeBehavior::kNone}},
+    {ash::prefs::kFocusModeYTMDisplayFreeTrial,
+     {syncable_prefs_ids::kFocusModeYTMDisplayFreeTrial, syncer::OS_PREFERENCES,
+      sync_preferences::PrefSensitivity::kNone,
+      sync_preferences::MergeBehavior::kNone}},
     {ash::prefs::kKeyboardDefaultChromeOSSettings,
      {syncable_prefs_ids::kKeyboardDefaultChromeOSSettings,
       syncer::OS_PREFERENCES, sync_preferences::PrefSensitivity::kNone,

chrome/browser/ui/ash/focus_mode/focus_mode_policy_browsertest.cc

@@ -94,25 +94,6 @@ IN_PROC_BROWSER_TEST_F(FocusModePolicyTest, FocusModeSounds_Enabled) {
               testing::Pair(testing::NotNull(), testing::NotNull()));
 }
 
-// Tests that even though we enabled both Sounscape type and YouTube Music type
-// of playlists; however, if the user is a minor user, YouTube Music will be
-// unavailable.
-IN_PROC_BROWSER_TEST_F(FocusModePolicyTest,
-                       FocusModeSounds_Enabled_ForMinorUser) {
-  FocusModeController::Get()
-      ->focus_mode_sounds_controller()
-      ->SetIsMinorUserForTesting(true);
-  SetPolicyValue("enabled");
-  auto* quick_settings = OpenQuickSettings();
-  ClickOnFocusTile(quick_settings);
-  FocusModeSoundsView* sounds_view = GetSoundsView(quick_settings);
-  EXPECT_THAT(sounds_view->GetVisible(), testing::Eq(true));
-  EXPECT_THAT(sounds_view->soundscape_views(),
-              testing::Pair(testing::IsNull(), testing::NotNull()));
-  EXPECT_THAT(sounds_view->youtube_music_views(),
-              testing::Pair(testing::IsNull(), testing::IsNull()));
-}
-
 IN_PROC_BROWSER_TEST_F(FocusModePolicyTest, FocusModeSounds_FocusSoundsOnly) {
   SetPolicyValue("focus-sounds");
   auto* quick_settings = OpenQuickSettings();

chrome/browser/ui/ash/system/system_tray_client_impl.cc

@@ -868,6 +868,7 @@ void SystemTrayClientImpl::ShowRemapKeysSubpage(int device_id) {
 
 void SystemTrayClientImpl::ShowYouTubeMusicPremiumPage() {
   DCHECK(ash::features::IsFocusModeEnabled());
+  DCHECK(ash::features::IsFocusModeYTMEnabled());
   base::RecordAction(base::UserMetricsAction("ShowYouTubeMusicPremiumPage"));
 
   const GURL official_url(chrome::kYoutubeMusicPremiumURL);
@@ -899,6 +900,12 @@ void SystemTrayClientImpl::ShowYouTubeMusicPremiumPage() {
           official_url));
 }
 
+void SystemTrayClientImpl::ShowChromebookPerksYouTubePage() {
+  DCHECK(ash::features::IsFocusModeEnabled());
+  DCHECK(ash::features::IsFocusModeYTMEnabled());
+  OpenInBrowser(GURL(chrome::kChromebookPerksYouTubePage));
+}
+
 void SystemTrayClientImpl::ShowEolInfoPage() {
   const bool use_offer_url = ash::features::kEolIncentiveParam.Get() !=
                                  ash::features::EolIncentiveParam::kNoOffer &&

chrome/browser/ui/ash/system/system_tray_client_impl.h

@@ -121,6 +121,7 @@ class SystemTrayClientImpl : public ash::SystemTrayClient,
   void ShowTouchpadSettings() override;
   void ShowRemapKeysSubpage(int device_id) override;
   void ShowYouTubeMusicPremiumPage() override;
+  void ShowChromebookPerksYouTubePage() override;
   void ShowKeyboardSettings() override;
   void ShowPointingStickSettings() override;
   void ShowNearbyShareSettings() override;

chrome/common/url_constants.h

@@ -882,6 +882,10 @@ inline constexpr char16_t kDeviceExtendedUpdatesLearnMoreURL[] =
 // The URL for the YoutTube Music Premium signup page.
 inline constexpr char kYoutubeMusicPremiumURL[] =
     "https://music.youtube.com/music_premium";
+
+// The URL for the Chromebook Perks page for YouTube.
+inline constexpr char kChromebookPerksYouTubePage[] =
+    "https://www.google.com/chromebook/perks/?id=youtube.2020";
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 
 #if BUILDFLAG(IS_MAC)

tools/metrics/histograms/metadata/sync/enums.xml

@@ -641,6 +641,8 @@ chromium-metrics-reviews@google.com.
   <int value="100299" label="kAccessibilityFlashNotificationsColor"/>
   <int value="100300" label="PinnedChromeLabsMigrationComplete"/>
   <int value="100301" label="AccessibilityFaceGazeGesturesToKeyCombos"/>
+  <int value="100302" label="FocusModeYTMDisplayOAuthConsent"/>
+  <int value="100303" label="FocusModeYTMDisplayFreeTrial"/>
 <!-- LINT.ThenChange(/chrome/browser/sync/prefs/chrome_syncable_prefs_database.cc:ChromeSyncablePref)-->
 
 <!-- LINT.IfChange(IosSyncablePref) -->