Put code in //services/js in namespace js

services/js/js_app_shell.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 "services/js/js_app_shell.h"
 
 #include "gin/object_template_builder.h"
 #include "services/js/js_app.h"
 
-namespace mojo {
 namespace js {
 
 gin::WrapperInfo JSAppShell::kWrapperInfo = {gin::kEmbedderNativeGin};
 
 gin::Handle<JSAppShell> JSAppShell::Create(v8::Isolate* isolate,
                                            JSApp* js_app) {
   return gin::CreateHandle(isolate, new JSAppShell(js_app));
 }
 
 JSAppShell::JSAppShell(JSApp* js_app) : js_app_(js_app) {
 }
 
 JSAppShell::~JSAppShell() {
 }
 
 gin::ObjectTemplateBuilder JSAppShell::GetObjectTemplateBuilder(
     v8::Isolate* isolate) {
   return gin::Wrappable<JSAppShell>::GetObjectTemplateBuilder(isolate)
       .SetMethod("connectToApplication", &JSAppShell::ConnectToApplication);
 }
 
 void JSAppShell::ConnectToApplication(const std::string& application_url,
                                       v8::Handle<v8::Value> service_provider) {
   // TODO(hansmuller): Validate arguments.
   js_app_->ConnectToApplication(application_url, service_provider);
 }
 
 }  // namespace js
-}  // namespace mojo