Move shell service to toplevel shell namespace

services/shell/runner/host/child_process_base.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/shell/runner/host/child_process_base.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/process_delegate.h"
 #include "services/shell/runner/common/client_util.h"
 
-namespace mojo {
 namespace shell {
 
 namespace {
 
 // Should be created and initialized on the main thread and kept alive as long
 // a Mojo application is running in the current process.
-class ScopedAppContext : public edk::ProcessDelegate {
+class ScopedAppContext : public mojo::edk::ProcessDelegate {
  public:
   ScopedAppContext()
       : io_thread_("io_thread"), wait_for_shutdown_event_(true, false) {
     // Initialize Mojo before starting any threads.
-    edk::Init();
+    mojo::edk::Init();
 
     // Create and start our I/O thread.
     base::Thread::Options io_thread_options(base::MessageLoop::TYPE_IO, 0);
     CHECK(io_thread_.StartWithOptions(io_thread_options));
     io_runner_ = io_thread_.task_runner().get();
     CHECK(io_runner_.get());
 
-    edk::InitIPCSupport(this, io_runner_);
-    edk::SetParentPipeHandleFromCommandLine();
+    mojo::edk::InitIPCSupport(this, io_runner_);
+    mojo::edk::SetParentPipeHandleFromCommandLine();
   }
 
   ~ScopedAppContext() override {
-    edk::ShutdownIPCSupport();
+    mojo::edk::ShutdownIPCSupport();
     wait_for_shutdown_event_.Wait();
   }
 
  private:
   // ProcessDelegate implementation.
   void OnShutdownComplete() override {
     wait_for_shutdown_event_.Signal();
   }
 
   base::Thread io_thread_;
   scoped_refptr<base::SingleThreadTaskRunner> io_runner_;
 
   // Used to unblock the main thread on shutdown.
   base::WaitableEvent wait_for_shutdown_event_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedAppContext);
 };
 
 }  // namespace
 
 void ChildProcessMain(const RunCallback& callback) {
   DCHECK(!base::MessageLoop::current());
 
   ScopedAppContext app_context;
   callback.Run(GetShellClientRequestFromCommandLine());
 }
 
 }  // namespace shell
-}  // namespace mojo