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

shell/android/background_application_loader.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/background_application_loader.h"
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "shell/application_manager/application_manager.h"
 
 namespace mojo {
+namespace shell {
 
 BackgroundApplicationLoader::BackgroundApplicationLoader(
     scoped_ptr<ApplicationLoader> real_loader,
     const std::string& thread_name,
     base::MessageLoop::Type message_loop_type)
     : loader_(real_loader.Pass()),
       message_loop_type_(message_loop_type),
       thread_name_(thread_name),
       message_loop_created_(true, false) {
 }
@@ skipping 39 matching lines @@
   loader_.reset();
 }
 
 void BackgroundApplicationLoader::LoadOnBackgroundThread(
     const GURL& url,
     InterfaceRequest<Application> application_request) {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   loader_->Load(url, application_request.Pass());
 }
 
+}  // namespace shell
 }  // namespace mojo