Add Worker support for FileSystem API.

chrome/browser/file_system/file_system_dispatcher_host.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_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
 #define CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/id_map.h"
 #include "base/nullable_string16.h"
 #include "base/process.h"
 #include "base/platform_file.h"
 #include "base/scoped_callback_factory.h"
 #include "base/ref_counted.h"
-#include "chrome/common/render_messages.h"
+#include "ipc/ipc_message.h"
 #include "webkit/fileapi/file_system_operation.h"
+#include "webkit/fileapi/file_system_types.h"
 
+class ChromeFileSystemOperation;
 class FileSystemHostContext;
+class GURL;
 class HostContentSettingsMap;
 class Receiver;
 class ResourceMessageFilter;
 
 class FileSystemDispatcherHost
     : public base::RefCountedThreadSafe<FileSystemDispatcherHost> {
  public:
   FileSystemDispatcherHost(IPC::Message::Sender* sender,
                            FileSystemHostContext* file_system_host_context,
                            HostContentSettingsMap* host_content_settings_map);
   ~FileSystemDispatcherHost();
   void Init(base::ProcessHandle process_handle);
   void Shutdown();
 
   bool OnMessageReceived(const IPC::Message& message, bool* message_was_ok);
 
-  void OnOpenFileSystem(const ViewHostMsg_OpenFileSystemRequest_Params&);
+  void OnOpenFileSystem(int request_id,
+                        const GURL& origin_url,
+                        fileapi::FileSystemType type,
+                        int64 requested_size);
   void OnMove(int request_id,
               const FilePath& src_path,
               const FilePath& dest_path);
   void OnCopy(int request_id,
               const FilePath& src_path,
               const FilePath& dest_path);
   void OnRemove(int request_id, const FilePath& path);
   void OnReadMetadata(int request_id, const FilePath& path);
   void OnCreate(int request_id,
                 const FilePath& path,
@@ skipping 28 matching lines @@
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 
   // Keeps ongoing file system operations.
   typedef IDMap<fileapi::FileSystemOperation, IDMapOwnPointer> OperationsMap;
   OperationsMap operations_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcherHost);
 };
 
 #endif  // CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_