Move BrowserThread to content namespace.

content/browser/browser_thread_impl.cc

 // Copyright (c) 2011 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 "content/browser/browser_thread_impl.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/threading/thread_restrictions.h"
 
 namespace {
 
 // Friendly names for the well-known threads.
-static const char* browser_thread_names[BrowserThread::ID_COUNT] = {
+static const char* browser_thread_names[content::BrowserThread::ID_COUNT] = {
   "",  // UI (name assembled in browser_main.cc).
   "Chrome_DBThread",  // DB
   "Chrome_WebKitThread",  // WEBKIT
   "Chrome_FileThread",  // FILE
   "Chrome_ProcessLauncherThread",  // PROCESS_LAUNCHER
   "Chrome_CacheThread",  // CACHE
   "Chrome_IOThread",  // IO
 #if defined(OS_CHROMEOS)
   "Chrome_WebSocketproxyThread",  // WEB_SOCKET_PROXY
 #endif
@@ skipping 97 matching lines @@
       message_loop->PostNonNestableDelayedTask(from_here, task, delay_ms);
     }
   }
 
   if (!guaranteed_to_outlive_target_thread)
     lock_.Release();
 
   return !!message_loop;
 }
 
-}  // namespace content
-
-using content::BrowserThreadImpl;
-
 // TODO(joi): Remove
 DeprecatedBrowserThread::DeprecatedBrowserThread(BrowserThread::ID identifier)
     : BrowserThread(identifier) {
 }
 DeprecatedBrowserThread::DeprecatedBrowserThread(BrowserThread::ID identifier,
                                                  MessageLoop* message_loop)
     : BrowserThread(identifier, message_loop) {
 }
 DeprecatedBrowserThread::~DeprecatedBrowserThread() {
 }
@@ skipping 233 matching lines @@
 }
 
 // static
 scoped_refptr<base::MessageLoopProxy>
 BrowserThread::GetMessageLoopProxyForThread(
     ID identifier) {
   scoped_refptr<base::MessageLoopProxy> proxy(
       new BrowserThreadMessageLoopProxy(identifier));
   return proxy;
 }
+
+}  // namespace content