★ Record the image dominant color in the image database.

components/enhanced_bookmarks/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # GYP: //components/enhanced_bookmarks.gypi:enhanced_bookmarks
 source_set("enhanced_bookmarks") {
   sources = [
     "bookmark_image_service.cc",
     "bookmark_image_service.h",
     "bookmark_server_cluster_service.cc",
     "bookmark_server_cluster_service.h",
     "bookmark_server_search_service.cc",
     "bookmark_server_search_service.h",
     "bookmark_server_service.cc",
     "bookmark_server_service.h",
     "enhanced_bookmark_model.cc",
     "enhanced_bookmark_model.h",
     "enhanced_bookmark_model_observer.h",
     "enhanced_bookmark_utils.cc",
     "enhanced_bookmark_utils.h",
+    "image_record.h",
     "image_store.cc",
     "image_store.h",
     "image_store_util.cc",
     "image_store_util.h",
     "image_store_util_ios.mm",
     "item_position.cc",
     "item_position.h",
     "metadata_accessor.cc",
     "metadata_accessor.h",
     "persistent_image_store.cc",
     "persistent_image_store.h",
     "pref_names.cc",
     "pref_names.h",
   ]
 
   deps = [
     "//base",
     "//components/bookmarks/browser",
     "//components/enhanced_bookmarks/proto",
+    "//skia",
     "//sql",
     "//ui/gfx",
     "//url",
   ]
 
   if (is_ios) {
     sources -= [ "image_store_util.cc" ]
   }
 }
 
 # GYP: //components/enhanced_bookmarks.gypi:enhanced_bookmarks_test_support
 source_set("test_support") {
   testonly = true
   sources = [
     "test_image_store.cc",
     "test_image_store.h",
   ]
 
   deps = [
     ":enhanced_bookmarks",
     "//skia",
     "//testing/gtest",
   ]
 }