Revert 284322 "Allow EmbedRoot to be called multiple times."

trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_client_impl.h

Index: trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_client_impl.h
===================================================================
--- trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_client_impl.h	(revision 284322)
+++ trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_client_impl.h	(working copy)
@@ -21,6 +21,7 @@
 class ApplicationConnection;
 namespace view_manager {
 
+class ViewEventDispatcher;
 class ViewManager;
 class ViewManagerTransaction;
 
@@ -87,8 +88,7 @@
   typedef std::map<Id, View*> IdToViewMap;
 
   // Overridden from ViewManager:
-  virtual void SetWindowManagerDelegate(
-      WindowManagerDelegate* delegate) OVERRIDE;
+  virtual void SetEventDispatcher(ViewEventDispatcher* dispatcher) OVERRIDE;
   virtual void DispatchEvent(View* target, EventPtr event) OVERRIDE;
   virtual const std::string& GetEmbedderURL() const OVERRIDE;
   virtual const std::vector<Node*>& GetRoots() const OVERRIDE;
@@ -123,7 +123,6 @@
                                 EventPtr event,
                                 const Callback<void()>& callback) OVERRIDE;
   virtual void OnFocusChanged(Id gained_focus_id, Id lost_focus_id) OVERRIDE;
-  virtual void EmbedRoot(const String& url) OVERRIDE;
   virtual void DispatchOnViewInputEvent(Id view_id, EventPtr event) OVERRIDE;
 
   // Sync the client model with the service by enumerating the pending
@@ -148,7 +147,7 @@
   base::Callback<void(void)> changes_acked_callback_;
 
   ViewManagerDelegate* delegate_;
-  WindowManagerDelegate* window_manager_delegate_;
+  ViewEventDispatcher* dispatcher_;
 
   std::vector<Node*> roots_;