Plumb ViewportMetrics change notifications around the world and back.

services/view_manager/view_manager_service_impl.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 SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_
 #define SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 73 matching lines @@
              mojo::InterfaceRequest<mojo::ServiceProvider> services,
              mojo::ServiceProviderPtr exposed_services);
 
   // The following methods are invoked after the corresponding change has been
   // processed. They do the appropriate bookkeeping and update the client as
   // necessary.
   void ProcessViewBoundsChanged(const ServerView* view,
                                 const gfx::Rect& old_bounds,
                                 const gfx::Rect& new_bounds,
                                 bool originated_change);
+  void ProcessViewportMetricsChanged(const mojo::ViewportMetrics& old_metrics,
+                                     const mojo::ViewportMetrics& new_metrics,
+                                     bool originated_change);
   void ProcessWillChangeViewHierarchy(const ServerView* view,
                                       const ServerView* new_parent,
                                       const ServerView* old_parent,
                                       bool originated_change);
   void ProcessViewPropertyChanged(const ServerView* view,
                                   const std::string& name,
                                   const std::vector<uint8_t>* new_data,
                                   bool originated_change);
   void ProcessViewHierarchyChanged(const ServerView* view,
                                    const ServerView* new_parent,
@@ skipping 132 matching lines @@
   // connection may have no root. A connection has no root if either the root
   // is destroyed or Embed() is invoked on the root.
   scoped_ptr<ViewId> root_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewManagerServiceImpl);
 };
 
 }  // namespace view_manager
 
 #endif  // SERVICES_VIEW_MANAGER_VIEW_MANAGER_SERVICE_IMPL_H_