Fix build.

sky/viewer/document_view.h

 // 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.
 
 #ifndef SKY_VIEWER_DOCUMENT_VIEW_H_
 #define SKY_VIEWER_DOCUMENT_VIEW_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/public/cpp/application/lazy_interface_ptr.h"
@@ skipping 66 matching lines @@
   // ViewManagerDelegate methods:
   virtual void OnEmbed(
       mojo::ViewManager* view_manager,
       mojo::View* root,
       mojo::ServiceProviderImpl* exported_services,
       scoped_ptr<mojo::ServiceProvider> imported_services) override;
   virtual void OnViewManagerDisconnected(mojo::ViewManager* view_manager) override;
 
   // ViewObserver methods:
   virtual void OnViewBoundsChanged(mojo::View* view,
-                                   const gfx::Rect& old_bounds,
-                                   const gfx::Rect& new_bounds) override;
+                                   const mojo::Rect& old_bounds,
+                                   const mojo::Rect& new_bounds) override;
   virtual void OnViewDestroyed(mojo::View* view) override;
   virtual void OnViewInputEvent(mojo::View* view, const mojo::EventPtr& event) override;
 
   void Load(mojo::URLResponsePtr response);
 
   mojo::URLResponsePtr response_;
   scoped_ptr<mojo::ServiceProvider> imported_services_;
   mojo::Shell* shell_;
   mojo::LazyInterfacePtr<mojo::NavigatorHost> navigator_host_;
   blink::WebView* web_view_;
   mojo::View* root_;
   mojo::ViewManagerClientFactory view_manager_client_factory_;
   scoped_ptr<WebLayerTreeViewImpl> web_layer_tree_view_impl_;
   scoped_refptr<base::MessageLoopProxy> compositor_thread_;
   scoped_ptr<ScriptRunner> script_runner_;
 
   base::WeakPtrFactory<DocumentView> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(DocumentView);
 };
 
 }  // namespace sky
 
 #endif  // SKY_VIEWER_DOCUMENT_VIEW_H_