Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/common/webmessageportchannel_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/common/webmessageportchannel_impl.h"
 
 #include "base/bind.h"
 #include "content/common/child_process.h"
 #include "content/common/child_thread.h"
 #include "content/common/worker_messages.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMessagePortChannelClient.h"
 
 using WebKit::WebMessagePortChannel;
 using WebKit::WebMessagePortChannelArray;
 using WebKit::WebMessagePortChannelClient;
 using WebKit::WebString;
 
+namespace content {
+
 WebMessagePortChannelImpl::WebMessagePortChannelImpl()
     : client_(NULL),
       route_id_(MSG_ROUTING_NONE),
       message_port_id_(MSG_ROUTING_NONE) {
   AddRef();
   Init();
 }
 
 WebMessagePortChannelImpl::WebMessagePortChannelImpl(
     int route_id,
@@ skipping 212 matching lines @@
 
   message_port_id_ = MSG_ROUTING_NONE;
 
   Release();
   ChildProcess::current()->ReleaseProcess();
 }
 
 WebMessagePortChannelImpl::Message::Message() {}
 
 WebMessagePortChannelImpl::Message::~Message() {}
+
+}  // namespace content