Remove ImageLoadingTracker class

chrome/browser/ui/extensions/shell_window.cc

 // 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.
 
 #include "chrome/browser/ui/extensions/shell_window.h"
 
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ skipping 30 matching lines @@
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/renderer_preferences.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkRegion.h"
+#include "ui/gfx/image/image_skia.h"
 
 #if defined(USE_ASH)
 #include "ash/launcher/launcher_types.h"
 #endif
 
 namespace app_window = extensions::api::app_window;
 
 using content::BrowserThread;
 using content::ConsoleMessageLevel;
 using content::RenderViewHost;
@@ skipping 562 matching lines @@
     const extensions::DraggableRegion& region = *iter;
     sk_region->op(
         region.bounds.x(),
         region.bounds.y(),
         region.bounds.right(),
         region.bounds.bottom(),
         region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
   }
   return sk_region;
 }