Move BrowserThread to content namespace.

content/browser/browser_message_filter.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_message_filter.h"
 
 #include "base/logging.h"
 #include "base/process.h"
 #include "base/process_util.h"
 #include "content/browser/user_metrics.h"
 #include "content/public/common/result_codes.h"
 #include "ipc/ipc_sync_message.h"
 
+using content::BrowserThread;
+
 BrowserMessageFilter::BrowserMessageFilter()
     : channel_(NULL), peer_handle_(base::kNullProcessHandle) {
 }
 
 BrowserMessageFilter::~BrowserMessageFilter() {
   base::CloseProcessHandle(peer_handle_);
 }
 
 void BrowserMessageFilter::OnFilterAdded(IPC::Channel* channel) {
   channel_ = channel;
@@ skipping 89 matching lines @@
         "messages in the renderer or else deadlocks can occur if the page "
         "has windowed plugins! (message type " << message.type() << ")";
     IPC::Message* reply = IPC::SyncMessage::GenerateReply(&message);
     reply->set_reply_error();
     sender->Send(reply);
     return false;
   }
 #endif
   return true;
 }