Splits window manager like methods into ViewManagerServiceDelegate

mojo/services/public/cpp/view_manager/view_manager.h

Index: mojo/services/public/cpp/view_manager/view_manager.h
diff --git a/mojo/services/public/cpp/view_manager/view_manager.h b/mojo/services/public/cpp/view_manager/view_manager.h
index d15328396b7d80858ac3b1e11a0bde5d527e8d6e..25862459d42f1e25ad0939f967eacb1a21c07184 100644
--- a/mojo/services/public/cpp/view_manager/view_manager.h
+++ b/mojo/services/public/cpp/view_manager/view_manager.h
@@ -9,12 +9,9 @@
 #include <vector>
 
 #include "mojo/services/public/cpp/view_manager/types.h"
-#include "mojo/services/public/interfaces/input_events/input_events.mojom.h"
 
 namespace mojo {
 class View;
-class ViewManagerDelegate;
-class WindowManagerDelegate;
 
 // Encapsulates a connection to the view manager service.
 // A unique connection is made for every unique embed path for an app. e.g. for
@@ -22,15 +19,6 @@ class WindowManagerDelegate;
 // and thus two instances of this class.
 class ViewManager {
  public:
-  // Sets the window manager delegate. Can only be called by the app embedded at
-  // the service root view. Can only be called once.
-  virtual void SetWindowManagerDelegate(
-      WindowManagerDelegate* window_manager_delegate) = 0;
-
-  // Dispatches the supplied event to the specified View. Can be called only
-  // by the application that called SetWindowManagerDelegate().
-  virtual void DispatchEvent(View* target, EventPtr event) = 0;
-
   // Returns the URL of the application that embedded this application.
   virtual const std::string& GetEmbedderURL() const = 0;