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

content/common/fileapi/file_system_dispatcher.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_
 #define CONTENT_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_util_proxy.h"
 #include "base/id_map.h"
 #include "base/process.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_platform_file.h"
 #include "webkit/fileapi/file_system_callback_dispatcher.h"
 #include "webkit/fileapi/file_system_types.h"
 
 namespace base {
 struct PlatformFileInfo;
 }
 
 class FilePath;
 class GURL;
 
+namespace content {
+
 // Dispatches and sends file system related messages sent to/from a child
 // process from/to the main browser process.  There is one instance
 // per child process.  Messages are dispatched on the main child thread.
 class FileSystemDispatcher : public IPC::Listener {
  public:
   FileSystemDispatcher();
   virtual ~FileSystemDispatcher();
 
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
@@ skipping 72 matching lines @@
   void OnDidWrite(int request_id, int64 bytes, bool complete);
   void OnDidOpenFile(
       int request_id,
       IPC::PlatformFileForTransit file);
 
   IDMap<fileapi::FileSystemCallbackDispatcher, IDMapOwnPointer> dispatchers_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_