Add final part of IPC plumbing for FileSystem API

chrome/common/file_system/file_system_dispatcher.h

 // Copyright (c) 2010 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 CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
 #define CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/nullable_string16.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFileError.h"
 
 namespace WebKit {
+struct WebFileInfo;
 class WebFileSystemCallbacks;
+struct WebFileSystemEntry;
 }
 
+namespace file_util {
+struct FileInfo;
+}
+
+struct ViewMsg_FileSystem_DidReadDirectory_Params;
+
 // 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:
   FileSystemDispatcher();
   ~FileSystemDispatcher();
 
   bool OnMessageReceived(const IPC::Message& msg);
 
   void Move(
       const string16& src_path,
       const string16& dest_path,
       WebKit::WebFileSystemCallbacks* callbacks);
-
-  // TODO(kinuko): add more implementation.
+  void Copy(
+      const string16& src_path,
+      const string16& dest_path,
+      WebKit::WebFileSystemCallbacks* callbacks);
+  void Remove(
+      const string16& path,
+      WebKit::WebFileSystemCallbacks* callbacks);
+  void ReadMetadata(
+      const string16& path,
+      WebKit::WebFileSystemCallbacks* callbacks);
+  void Create(
+      const string16& path,
+      bool exclusive,
+      bool for_directory,
+      WebKit::WebFileSystemCallbacks* callbacks);
+  void Exists(
+      const string16& path,
+      bool for_directory,
+      WebKit::WebFileSystemCallbacks* callbacks);
+  void ReadDirectory(
+      const string16& path,
+      WebKit::WebFileSystemCallbacks* callbacks);
 
  private:
-  void DidSucceed(int32 callbacks_id);
-  void DidFail(int32 callbacks_id, int code);
-  // TODO(kinuko): add more callbacks.
+  void DidSucceed(int request_id);
+  void DidReadMetadata(
+      int request_id,
+      const file_util::FileInfo& file_info);
+  void DidReadDirectory(
+      const ViewMsg_FileSystem_DidReadDirectory_Params& params);
+  void DidFail(
+      int request_id,
+      WebKit::WebFileError);
 
   IDMap<WebKit::WebFileSystemCallbacks> callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher);
 };
 
 #endif  // CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_