Notify main-thread of top controls state changes

content/renderer/render_view_impl.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 CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 890 matching lines @@
 
   // The next target URL we want to send to the browser.
   GURL pending_target_url_;
 
   // Indicates whether this view overrides url-based zoom settings.
   bool uses_temporary_zoom_level_;
 
 #if defined(OS_ANDROID)
   // Cache the old top controls state constraints. Used when updating
   // current value only without altering the constraints.
-  cc::TopControlsState top_controls_constraints_;
+  TopControlsState top_controls_constraints_;
 #endif
 
   // View ----------------------------------------------------------------------
 
   // Cache the preferred size of the page in order to prevent sending the IPC
   // when layout() recomputes but doesn't actually change sizes.
   gfx::Size preferred_size_;
 
   // Used to delay determining the preferred size (to avoid intermediate
   // states for the sizes).
@@ skipping 125 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_