Add final part of IPC plumbing for FileSystem API

chrome/common/file_system/file_system_dispatcher.h

Index: chrome/common/file_system/file_system_dispatcher.h
diff --git a/chrome/common/file_system/file_system_dispatcher.h b/chrome/common/file_system/file_system_dispatcher.h
index 5c854c20ba1e1931f9535cd1bbcb479c7417c032..70855d1221ccb6bb278c25d6561b303a5d3fa208 100644
--- a/chrome/common/file_system/file_system_dispatcher.h
+++ b/chrome/common/file_system/file_system_dispatcher.h
@@ -13,11 +13,20 @@
 #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.
@@ -32,13 +41,39 @@ class FileSystemDispatcher {
       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_;