Mojo: MOJO_OVERRIDE -> override in mojo/.

mojo/examples/png_viewer/png_viewer.cc

 // 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.
 
 #include <algorithm>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_tokenizer.h"
 #include "mojo/application/application_runner_chromium.h"
@@ skipping 195 matching lines @@
   Shell* shell_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentHandlerImpl);
 };
 
 class PNGViewer : public ApplicationDelegate {
  public:
   PNGViewer() {}
  private:
   // Overridden from ApplicationDelegate:
-  virtual void Initialize(ApplicationImpl* app) MOJO_OVERRIDE {
+  virtual void Initialize(ApplicationImpl* app) override {
     content_handler_factory_.reset(
         new InterfaceFactoryImplWithContext<ContentHandlerImpl, Shell>(
             app->shell()));
   }
 
   // Overridden from ApplicationDelegate:
-  virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
-      MOJO_OVERRIDE {
+  virtual bool ConfigureIncomingConnection(
+      ApplicationConnection* connection) override {
     connection->AddService(content_handler_factory_.get());
     return true;
   }
 
   scoped_ptr<InterfaceFactoryImplWithContext<ContentHandlerImpl, Shell> >
       content_handler_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PNGViewer);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new mojo::examples::PNGViewer);
   return runner.Run(shell_handle);
 }