Use the mojo::shell namespace consistently underly shell/.

shell/android/ui_application_loader_android.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 "shell/android/ui_application_loader_android.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "shell/application_manager/application_manager.h"
 
 namespace mojo {
+namespace shell {
 
 UIApplicationLoader::UIApplicationLoader(
     scoped_ptr<ApplicationLoader> real_loader,
     base::MessageLoop* ui_message_loop)
     : loader_(real_loader.Pass()), ui_message_loop_(ui_message_loop) {
 }
 
 UIApplicationLoader::~UIApplicationLoader() {
   ui_message_loop_->PostTask(
       FROM_HERE, base::Bind(&UIApplicationLoader::ShutdownOnUIThread,
@@ skipping 14 matching lines @@
     const GURL& url,
     InterfaceRequest<Application> application_request) {
   loader_->Load(url, application_request.Pass());
 }
 
 void UIApplicationLoader::ShutdownOnUIThread() {
   // Destroy |loader_| on the thread it's actually used on.
   loader_.reset();
 }
 
+}  // namespace shell
 }  // namespace mojo