Make async waiter explicit MojoGLES2CreateContext param

mojo/services/view_manager/root_view_manager.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 MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
 #define MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/public/cpp/bindings/callback.h"
-#include "mojo/public/cpp/gles2/gles2.h"
 #include "mojo/services/view_manager/view_manager_export.h"
 
 namespace aura {
 namespace client {
 class FocusClient;
 class WindowTreeClient;
 }
 class WindowTreeHost;
 }
 
@@ skipping 22 matching lines @@
   // See description above field for details.
   bool in_setup() const { return in_setup_; }
 
  private:
   void OnCompositorCreated();
 
   RootViewManagerDelegate* delegate_;
 
   RootNodeManager* root_node_manager_;
 
-  GLES2Initializer gles_initializer_;
-
   // Returns true if adding the root node's window to |window_tree_host_|.
   bool in_setup_;
 
   scoped_ptr<gfx::Screen> screen_;
   scoped_ptr<aura::WindowTreeHost> window_tree_host_;
   scoped_ptr<aura::client::WindowTreeClient> window_tree_client_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
 
   DISALLOW_COPY_AND_ASSIGN(RootViewManager);
 };
 
 }  // namespace service
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_VIEW_MANAGER_H_