[ios] Swap in smaller assets for map_blur.

Encoding these images as jpg reduces file size with minimal effect on
quality, since these are banner images with a visible blur effect.

Bug: 332929378
Change-Id: Idf3ef34cdf64971d309079cc961db34f2987fe30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5506354
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1295377}

ios/chrome/browser/ui/mini_map/BUILD.gn

@@ -13,7 +13,6 @@ source_set("mini_map") {
   deps = [
     ":mini_map_handler",
     ":mini_map_ui",
-    "resources:map_blur",
     "//components/prefs",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser/shared/coordinator/chrome_coordinator",
@@ -22,6 +21,7 @@ source_set("mini_map") {
     "//ios/chrome/browser/shared/model/prefs:pref_names",
     "//ios/chrome/browser/shared/public/commands",
     "//ios/chrome/browser/shared/ui/symbols",
+    "//ios/chrome/browser/ui/mini_map/resources",
     "//ios/chrome/browser/web/model/annotations",
     "//ios/chrome/common:string_util",
     "//ios/chrome/common/ui/colors",

ios/chrome/browser/ui/mini_map/resources/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/chrome/browser/ui/mini_map/resources/Assets.xcassets/map_blur.imageset/Contents.json

@@ -15,7 +15,7 @@
       "scale" : "1x"
     },
     {
-      "filename" : "map_blur_light_iphone@2x.png",
+      "filename" : "map_blur_light_iphone@2x.jpg",
       "idiom" : "universal",
       "scale" : "2x"
     },
@@ -26,12 +26,12 @@
           "value" : "dark"
         }
       ],
-      "filename" : "map_blur_dark_iphone@2x.png",
+      "filename" : "map_blur_dark_iphone@2x.jpg",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "map_blur_light_iphone@3x.png",
+      "filename" : "map_blur_light_iphone@3x.jpg",
       "idiom" : "universal",
       "scale" : "3x"
     },
@@ -42,7 +42,7 @@
           "value" : "dark"
         }
       ],
-      "filename" : "map_blur_dark_iphone@3x.png",
+      "filename" : "map_blur_dark_iphone@3x.jpg",
       "idiom" : "universal",
       "scale" : "3x"
     },
@@ -61,7 +61,7 @@
       "scale" : "1x"
     },
     {
-      "filename" : "map_blur_light_ipad@2x.png",
+      "filename" : "map_blur_light_ipad@2x.jpg",
       "idiom" : "ipad",
       "scale" : "2x"
     },
@@ -72,7 +72,7 @@
           "value" : "dark"
         }
       ],
-      "filename" : "map_blur_dark_ipad@2x.png",
+      "filename" : "map_blur_dark_ipad@2x.jpg",
       "idiom" : "ipad",
       "scale" : "2x"
     }

ios/chrome/browser/ui/mini_map/resources/BUILD.gn

@@ -2,16 +2,18 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//build/config/ios/asset_catalog.gni")
+import("//build/config/ios/rules.gni")
 
-imageset("map_blur") {
+bundle_data_xcassets("resources") {
+  catalog = "Assets.xcassets"
   sources = [
-    "map_blur.imageset/Contents.json",
-    "map_blur.imageset/map_blur_dark_ipad@2x.png",
-    "map_blur.imageset/map_blur_dark_iphone@2x.png",
-    "map_blur.imageset/map_blur_dark_iphone@3x.png",
-    "map_blur.imageset/map_blur_light_ipad@2x.png",
-    "map_blur.imageset/map_blur_light_iphone@2x.png",
-    "map_blur.imageset/map_blur_light_iphone@3x.png",
+    "Assets.xcassets/Contents.json",
+    "Assets.xcassets/map_blur.imageset/Contents.json",
+    "Assets.xcassets/map_blur.imageset/map_blur_dark_ipad@2x.jpg",
+    "Assets.xcassets/map_blur.imageset/map_blur_dark_iphone@2x.jpg",
+    "Assets.xcassets/map_blur.imageset/map_blur_dark_iphone@3x.jpg",
+    "Assets.xcassets/map_blur.imageset/map_blur_light_ipad@2x.jpg",
+    "Assets.xcassets/map_blur.imageset/map_blur_light_iphone@2x.jpg",
+    "Assets.xcassets/map_blur.imageset/map_blur_light_iphone@3x.jpg",
   ]
 }