Gradient overlay for constrained window

chrome/renderer/chrome_render_view_observer.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 CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 #define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/common/extensions/permissions/api_permission.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPermissionClient.h"
 
 class ChromeRenderProcessObserver;
 class ContentSettingsObserver;
 class ExternalHostBindings;
 class SkBitmap;
 class TranslateHelper;
 struct ThumbnailScore;
 class WebViewColorOverlay;
+class WebViewAnimatingOverlay;
 
 namespace extensions {
 class Dispatcher;
 }
 
 namespace WebKit {
 class WebView;
 }
 
 namespace safe_browsing {
@@ skipping 189 matching lines @@
   typedef std::vector<
       linked_ptr<webkit_glue::MultiResolutionImageResourceFetcher> >
     ImageResourceFetcherList;
 
   // ImageResourceFetchers schedule via DownloadImage.
   ImageResourceFetcherList image_fetchers_;
 
   // A color page overlay when visually de-emaphasized.
   scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
 
+  // A animating page overlay when visually de-emaphasized.
+  scoped_ptr<WebViewAnimatingOverlay> dimmed_animating_overlay_;
+
   // Used to delay calling CapturePageInfo.
   base::Timer capture_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
 };
 
 #endif  // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_