chromeos: Fix pixelated icons in app list and launcher (part 1)

ui/app_list/icon_cache.h

 // Copyright (c) 2012 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.
 
 #ifndef UI_APP_LIST_ICON_CACHE_H_
 #define UI_APP_LIST_ICON_CACHE_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
-#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/app_list/app_list_export.h"
+#include "ui/gfx/image/image_skia.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace app_list {
 
 // IconCache stores processed image, keyed by the source image and desired size.
 class APP_LIST_EXPORT IconCache {
  public:
   static void CreateInstance();
   static void DeleteInstance();
 
   static IconCache* GetInstance();
 
   void MarkAllEntryUnused();
   void PurgeAllUnused();
 
-  bool Get(const SkBitmap& src,
+  bool Get(const gfx::ImageSkia& src,
            const gfx::Size& size,
-           SkBitmap* processed);
-  void Put(const SkBitmap& src,
+           gfx::ImageSkia* processed);
+  void Put(const gfx::ImageSkia& src,
            const gfx::Size& size,
-           const SkBitmap& processed);
+           const gfx::ImageSkia& processed);
 
  private:
   struct Item {
-    SkBitmap image;
+    gfx::ImageSkia image;
     bool used;
   };
   typedef std::map<std::string, Item> Cache;
 
   IconCache();
   ~IconCache();
 
   static IconCache* instance_;
 
   Cache cache_;
 
   DISALLOW_COPY_AND_ASSIGN(IconCache);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_ICON_CACHE_H_