Mojo: Convert OVERRIDE -> override in various subdirectories of mojo/.

mojo/shell/app_child_process.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 "mojo/shell/app_child_process.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
@@ skipping 172 matching lines @@
         app_context->io_runner(),
         base::Bind(&AppChildControllerImpl::DidCreateChannel,
                    base::Unretained(impl.get())),
         base::MessageLoopProxy::current()));
 
     BindToPipe(impl.get(), host_message_pipe.Pass());
 
     app_context->set_controller(impl.Pass());
   }
 
-  virtual void OnConnectionError() OVERRIDE {
+  virtual void OnConnectionError() override {
     // TODO(darin): How should we handle a connection error here?
   }
 
   // |AppChildController| methods:
   virtual void StartApp(const String& app_path,
-                        ScopedMessagePipeHandle service) OVERRIDE {
+                        ScopedMessagePipeHandle service) override {
     DVLOG(2) << "AppChildControllerImpl::StartApp(" << app_path << ", ...)";
     DCHECK(thread_checker_.CalledOnValidThread());
 
     unblocker_.Unblock(base::Bind(&AppChildControllerImpl::StartAppOnMainThread,
                                   base::FilePath::FromUTF8Unsafe(app_path),
                                   base::Passed(&service)));
   }
 
  private:
   AppChildControllerImpl(AppContext* app_context,
@@ skipping 73 matching lines @@
       base::Bind(&AppChildControllerImpl::Init, base::Unretained(&app_context),
                  base::Passed(platform_channel()), blocker.GetUnblocker()));
   // This will block, then run whatever the controller wants.
   blocker.Block();
 
   app_context.Shutdown();
 }
 
 }  // namespace shell
 }  // namespace mojo