Delete abandoned flag for replace text API for diacritics.

Bug: b/279670207,1443726
Change-Id: Icf5979c935b6632c6b06cb697b7032bef4aac42d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5869374
Reviewed-by: John Palmer <jopalmer@chromium.org>
Commit-Queue: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1383309}

ash/constants/ash_features.cc

@@ -571,12 +571,6 @@ BASE_FEATURE(kDiacriticsOnPhysicalKeyboardLongpressDefaultOn,
              "DiacriticsOnPhysicalKeyboardLongpressDefaultOn",
              base::FEATURE_DISABLED_BY_DEFAULT);
 
-// When enabled, diacritics on longpress will use |ReplaceSurroundingText| API,
-// which is atomic and compatible with more apps.
-BASE_FEATURE(kDiacriticsUseReplaceSurroundingText,
-             "DiacriticsUseReplaceSurroundingText",
-             base::FEATURE_DISABLED_BY_DEFAULT);
-
 // Disables hardware requirement checks for Bruschetta installer, allowing for
 // more easy development against changes of said requirements.
 BASE_FEATURE(kDisableBruschettaInstallChecks,

chrome/browser/about_flags.cc

@@ -5785,16 +5785,6 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kAutocorrectByDefaultName,
      flag_descriptions::kAutocorrectByDefaultDescription, kOsCrOS,
      FEATURE_VALUE_TYPE(ash::features::kAutocorrectByDefault)},
-    {"enable-cros-autocorrect-use-replace-surrounding-text",
-     flag_descriptions::kAutocorrectUseReplaceSurroundingTextName,
-     flag_descriptions::kAutocorrectUseReplaceSurroundingTextDescription,
-     kOsCrOS,
-     FEATURE_VALUE_TYPE(ash::features::kAutocorrectUseReplaceSurroundingText)},
-    {"enable-cros-diacritics-use-replace-surrounding-text",
-     flag_descriptions::kDiacriticsUseReplaceSurroundingTextName,
-     flag_descriptions::kDiacriticsUseReplaceSurroundingTextDescription,
-     kOsCrOS,
-     FEATURE_VALUE_TYPE(ash::features::kDiacriticsUseReplaceSurroundingText)},
     {"enable-cros-first-party-vietnamese-input",
      flag_descriptions::kFirstPartyVietnameseInputName,
      flag_descriptions::kFirstPartyVietnameseInputDescription, kOsCrOS,

chrome/browser/ash/input_method/autocorrect_manager_unittest.cc

@@ -496,7 +496,6 @@ class MockSuggestionHandler : public SuggestionHandlerInterface {
               (int context_id,
                const std::u16string& candidate,
                size_t delete_previous_utf16_len,
-               bool use_replace_surrounding_text,
                std::string* error),
               (override));
   MOCK_METHOD(bool,

chrome/browser/ash/input_method/emoji_suggester.cc

@@ -325,8 +325,7 @@ bool EmojiSuggester::AcceptSuggestion(size_t index) {
   std::string error;
   suggestion_handler_->AcceptSuggestionCandidate(
       *focused_context_id_, candidates_[index],
-      /* delete_previous_utf16_len=*/0, /*use_replace_surrounding_text=*/false,
-      &error);
+      /* delete_previous_utf16_len=*/0, &error);
 
   if (!error.empty()) {
     LOG(ERROR) << "Failed to accept suggestion. " << error;

chrome/browser/ash/input_method/emoji_suggester_unittest.cc

@@ -107,7 +107,6 @@ class TestSuggestionHandler : public SuggestionHandlerInterface {
   bool AcceptSuggestionCandidate(int context_id,
                                  const std::u16string& candidate,
                                  size_t delete_previous_utf16_len,
-                                 bool use_replace_surrounding_text,
                                  std::string* error) override {
     return false;
   }

chrome/browser/ash/input_method/fake_suggestion_handler.cc

@@ -68,7 +68,6 @@ bool FakeSuggestionHandler::AcceptSuggestionCandidate(
     int context_id,
     const std::u16string& candidate,
     size_t delete_previous_utf16_len,
-    bool use_replace_surrounding_text,
     std::string* error) {
   showing_suggestion_ = false;
   accepted_suggestion_ = true;

chrome/browser/ash/input_method/fake_suggestion_handler.h

@@ -41,7 +41,6 @@ class FakeSuggestionHandler : public SuggestionHandlerInterface {
   bool AcceptSuggestionCandidate(int context_id,
                                  const std::u16string& candidate,
                                  size_t delete_previous_utf16_len,
-                                 bool use_replace_surrounding_text,
                                  std::string* error) override;
   bool SetAssistiveWindowProperties(
       int context_id,

chrome/browser/ash/input_method/grammar_manager_unittest.cc

@@ -96,7 +96,6 @@ class MockSuggestionHandler : public SuggestionHandlerInterface {
               (int context_id,
                const std::u16string& candidate,
                size_t delete_previous_utf16_len,
-               bool use_replace_surrounding_text,
                std::string* error),
               (override));
   MOCK_METHOD(bool,

chrome/browser/ash/input_method/input_method_engine.cc

@@ -713,7 +713,6 @@ bool InputMethodEngine::AcceptSuggestionCandidate(
     int context_id,
     const std::u16string& suggestion,
     size_t delete_previous_utf16_len,
-    bool use_replace_surrounding_text,
     std::string* error) {
   if (!IsActive()) {
     *error = kErrorNotActive;
@@ -724,35 +723,14 @@ bool InputMethodEngine::AcceptSuggestionCandidate(
     return false;
   }
 
-  if (use_replace_surrounding_text) {
-    if (delete_previous_utf16_len) {
-      if (base::expected<void, Error> result = ReplaceSurroundingText(
-              context_id_, delete_previous_utf16_len, 0, suggestion);
-          !result.has_value()) {
-        switch (result.error()) {
-          case Error::kInputMethodNotActive:
-            *error = kErrorNotActive;
-            return false;
-          case Error::kIncorrectContextId:
-            *error = base::StringPrintf(
-                "%s request context id = %d, current context id = %d",
-                kErrorWrongContext, context_id, context_id_);
-            return false;
-        }
-      }
-    } else {
-      CommitText(context_id, suggestion, error);
-    }
-  } else {
-    if (delete_previous_utf16_len) {
-      DeleteSurroundingText(context_id_,
-                            -static_cast<int>(delete_previous_utf16_len),
-                            delete_previous_utf16_len, error);
-    }
-
-    CommitText(context_id, suggestion, error);
+  if (delete_previous_utf16_len) {
+    DeleteSurroundingText(context_id_,
+                          -static_cast<int>(delete_previous_utf16_len),
+                          delete_previous_utf16_len, error);
   }
 
+  CommitText(context_id, suggestion, error);
+
   IMEAssistiveWindowHandlerInterface* aw_handler =
       IMEBridge::Get()->GetAssistiveWindowHandler();
   if (aw_handler) {

chrome/browser/ash/input_method/input_method_engine.h

@@ -269,7 +269,6 @@ class InputMethodEngine : virtual public TextInputMethod,
   bool AcceptSuggestionCandidate(int context_id,
                                  const std::u16string& candidate,
                                  size_t delete_previous_utf16_len,
-                                 bool use_replace_surrounding_text,
                                  std::string* error) override;
   bool SetAssistiveWindowProperties(
       int context_id,

chrome/browser/ash/input_method/input_method_engine_unittest.cc

@@ -393,7 +393,6 @@ TEST_F(InputMethodEngineTest, AcceptSuggestionCandidateCommitsCandidate) {
 
   std::string error;
   engine_->AcceptSuggestionCandidate(context, u"suggestion", 0,
-                                     /*use_replace_surrounding_text=*/false,
                                      &error);
 
   EXPECT_EQ("", error);
@@ -402,27 +401,6 @@ TEST_F(InputMethodEngineTest, AcceptSuggestionCandidateCommitsCandidate) {
   EXPECT_EQ(u"suggestion", mock_ime_input_context_handler_->last_commit_text());
 }
 
-TEST_F(InputMethodEngineTest,
-       AcceptSuggestionCandidateReplacesSurroundingText) {
-  CreateEngine(true);
-  Focus(ui::TEXT_INPUT_TYPE_TEXT);
-  engine_->Enable(kTestImeComponentId);
-
-  const int context = engine_->GetContextIdForTesting();
-
-  std::string error;
-  engine_->AcceptSuggestionCandidate(context, u"suggestion", 3,
-                                     /*use_replace_surrounding_text=*/true,
-                                     &error);
-
-  EXPECT_EQ("", error);
-  const auto& arg =
-      mock_ime_input_context_handler_->last_replace_surrounding_text_arg();
-  EXPECT_EQ(3u, arg.length_before_selection);
-  EXPECT_EQ(0u, arg.length_after_selection);
-  EXPECT_EQ(u"suggestion", arg.replacement_text);
-}
-
 TEST_F(InputMethodEngineTest,
        AcceptSuggestionCandidateDeletesSurroundingAndCommitsCandidate) {
   CreateEngine(true);
@@ -434,7 +412,6 @@ TEST_F(InputMethodEngineTest,
   std::string error;
   engine_->CommitText(context, u"text", &error);
   engine_->AcceptSuggestionCandidate(context, u"suggestion", 1,
-                                     /*use_replace_surrounding_text=*/false,
                                      &error);
 
   EXPECT_EQ("", error);

chrome/browser/ash/input_method/longpress_control_v_suggester.cc

@@ -67,9 +67,6 @@ bool LongpressControlVSuggester::AcceptSuggestion(size_t index) {
     suggestion_handler_->AcceptSuggestionCandidate(
         *focused_context_id_, /*candidate=*/u"",
         /*delete_previous_utf16_len=*/pasted_text_end - *pasted_text_start_,
-        /*use_replace_surrounding_text=*/
-        base::FeatureList::IsEnabled(
-            features::kDiacriticsUseReplaceSurroundingText),
         &error);
     if (!error.empty()) {
       LOG(ERROR) << "suggest: Accepted long-press Ctrl+V suggestion without "

chrome/browser/ash/input_method/longpress_diacritics_suggester.cc

@@ -281,10 +281,7 @@ bool LongpressDiacriticsSuggester::AcceptSuggestion(size_t index) {
   std::string error;
   suggestion_handler_->AcceptSuggestionCandidate(
       *focused_context_id_, current_suggestions[index],
-      /* delete_previous_utf16_len=*/1, /*use_replace_surrounding_text=*/
-      base::FeatureList::IsEnabled(
-          features::kDiacriticsUseReplaceSurroundingText),
-      &error);
+      /* delete_previous_utf16_len=*/1, &error);
   if (error.empty()) {
     suggestion_handler_->Announce(
         l10n_util::GetStringUTF16(IDS_SUGGESTION_DIACRITICS_INSERTED));

chrome/browser/ash/input_method/suggestion_handler_interface.h

@@ -55,7 +55,6 @@ class SuggestionHandlerInterface {
   virtual bool AcceptSuggestionCandidate(int context_id,
                                          const std::u16string& candidate,
                                          size_t delete_previous_utf16_len,
-                                         bool use_replace_surrounding_text,
                                          std::string* error) = 0;
 
   // Shows/Hides given assistive window. No-op if context_id doesn't match or

chrome/browser/flag_descriptions.cc

@@ -6874,12 +6874,6 @@ const char kHelpAppOpensInsteadOfReleaseNotesNotificationDescription[] =
     "Enables opening the Help App's What's New page immediately instead of "
     "showing a notification to open the help app.";
 
-const char kDiacriticsUseReplaceSurroundingTextName[] =
-    "Use ReplaceSurroundingText API for longpress diacritics.";
-const char kDiacriticsUseReplaceSurroundingTextDescription[] =
-    "When longpress diacritics is enabled, use the ReplaceSurroundingText API "
-    "for better app compatibility.";
-
 const char kHoldingSpaceSuggestionsName[] = "Enable holding space suggestions";
 const char kHoldingSpaceSuggestionsDescription[] =
     "Enables pinned file suggestions in holding space to help the user "

chrome/browser/flag_descriptions.h

@@ -3974,9 +3974,6 @@ extern const char kHelpAppOnboardingRevampDescription[];
 extern const char kHelpAppOpensInsteadOfReleaseNotesNotificationName[];
 extern const char kHelpAppOpensInsteadOfReleaseNotesNotificationDescription[];
 
-extern const char kDiacriticsUseReplaceSurroundingTextName[];
-extern const char kDiacriticsUseReplaceSurroundingTextDescription[];
-
 extern const char kHoldingSpaceSuggestionsName[];
 extern const char kHoldingSpaceSuggestionsDescription[];