Make it possible to change the viewport size

mojo/services/view_manager/connection_manager.h

Index: mojo/services/view_manager/connection_manager.h
diff --git a/mojo/services/view_manager/connection_manager.h b/mojo/services/view_manager/connection_manager.h
index 0a41195832575a4e74a99c9e95a58da09261ffe9..ac6667ea8373800912ec0b448012c4c9c1a54923 100644
--- a/mojo/services/view_manager/connection_manager.h
+++ b/mojo/services/view_manager/connection_manager.h
@@ -177,17 +177,17 @@ class MOJO_VIEW_MANAGER_EXPORT ConnectionManager
                              const std::vector<uint8_t>* new_data) override;
 
   // WindowManagerInternalClient:
-  virtual void DispatchInputEventToView(Id transport_view_id,
-                                        EventPtr event) override;
+  void DispatchInputEventToView(Id transport_view_id,
+                                EventPtr event) override;
+  void SetViewportSize(SizePtr size) override;
 
   // InterfaceFactory<ViewManagerService>:
-  virtual void Create(ApplicationConnection* connection,
-                      InterfaceRequest<ViewManagerService> request) override;
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<ViewManagerService> request) override;
 
   // InterfaceFactory<WindowManagerInternalClient>:
-  virtual void Create(
-      ApplicationConnection* connection,
-      InterfaceRequest<WindowManagerInternalClient> request) override;
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<WindowManagerInternalClient> request) override;
 
   // ErrorHandler:
   void OnConnectionError() override;