Mojo: Convert the remaining OVERRIDEs to override in mojo/.

mojo/examples/surfaces_app/child_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 MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
 #define MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "mojo/examples/surfaces_app/child.mojom.h"
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h"
 #include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h"
 #include "mojo/services/public/interfaces/surfaces/surfaces_service.mojom.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 19 matching lines @@
   class Context {
    public:
     virtual ApplicationConnection* ShellConnection(
         const mojo::String& application_url) = 0;
   };
   explicit ChildImpl(ApplicationConnection* surfaces_service_connection);
   virtual ~ChildImpl();
 
   // SurfaceClient implementation
   virtual void ReturnResources(
-      Array<ReturnedResourcePtr> resources) OVERRIDE;
+      Array<ReturnedResourcePtr> resources) override;
 
  private:
   // Child implementation.
   virtual void ProduceFrame(
       ColorPtr color,
       SizePtr size,
-      const mojo::Callback<void(SurfaceIdPtr id)>& callback) OVERRIDE;
+      const mojo::Callback<void(SurfaceIdPtr id)>& callback) override;
 
   void SurfaceConnectionCreated(SurfacePtr surface, uint32_t id_namespace);
   void Draw();
 
   SkColor color_;
   gfx::Size size_;
   scoped_ptr<cc::SurfaceIdAllocator> allocator_;
   SurfacesServicePtr surfaces_service_;
   SurfacePtr surface_;
   cc::SurfaceId id_;
   mojo::Callback<void(SurfaceIdPtr id)> produce_callback_;
   base::WeakPtrFactory<ChildImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildImpl);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 #endif  // MOJO_EXAMPLES_SURFACES_APP_CHILD_IMPL_H_