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

content/common/appcache/appcache_dispatcher.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/appcache/appcache_dispatcher.h"
 
 #include "content/common/appcache_messages.h"
 #include "webkit/appcache/web_application_cache_host_impl.h"
 
+namespace content {
+
 bool AppCacheDispatcher::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AppCacheDispatcher, msg)
     IPC_MESSAGE_HANDLER(AppCacheMsg_CacheSelected, OnCacheSelected)
     IPC_MESSAGE_HANDLER(AppCacheMsg_StatusChanged, OnStatusChanged)
     IPC_MESSAGE_HANDLER(AppCacheMsg_EventRaised, OnEventRaised)
     IPC_MESSAGE_HANDLER(AppCacheMsg_ProgressEventRaised, OnProgressEventRaised)
     IPC_MESSAGE_HANDLER(AppCacheMsg_ErrorEventRaised, OnErrorEventRaised)
     IPC_MESSAGE_HANDLER(AppCacheMsg_LogMessage, OnLogMessage)
     IPC_MESSAGE_HANDLER(AppCacheMsg_ContentBlocked, OnContentBlocked)
@@ skipping 32 matching lines @@
 void AppCacheDispatcher::OnLogMessage(
     int host_id, int log_level, const std::string& message) {
   frontend_impl_.OnLogMessage(
       host_id, static_cast<appcache::LogLevel>(log_level), message);
 }
 
 void AppCacheDispatcher::OnContentBlocked(int host_id,
                                           const GURL& manifest_url) {
   frontend_impl_.OnContentBlocked(host_id, manifest_url);
 }
+
+}  // namespace content