Revert 214160 "Implement Worker-MainThread bridge for FileSystem..."

trunk/src/content/child/fileapi/file_system_dispatcher.cc

Index: trunk/src/content/child/fileapi/file_system_dispatcher.cc
===================================================================
--- trunk/src/content/child/fileapi/file_system_dispatcher.cc	(revision 214596)
+++ trunk/src/content/child/fileapi/file_system_dispatcher.cc	(working copy)
@@ -6,7 +6,6 @@
 
 #include "base/callback.h"
 #include "base/file_util.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/process/process.h"
 #include "content/child/child_thread.h"
 #include "content/common/fileapi/file_system_messages.h"
@@ -89,9 +88,8 @@
 
   void DidCreateSnapshotFile(
       const base::PlatformFileInfo& file_info,
-      const base::FilePath& platform_path,
-      int request_id) {
-    snapshot_callback_.Run(file_info, platform_path, request_id);
+      const base::FilePath& platform_path) {
+    snapshot_callback_.Run(file_info, platform_path);
   }
 
   void DidReadDirectory(
@@ -365,8 +363,10 @@
     const base::FilePath& platform_path) {
   CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
-  dispatcher->DidCreateSnapshotFile(file_info, platform_path, request_id);
+  dispatcher->DidCreateSnapshotFile(file_info, platform_path);
   dispatchers_.Remove(request_id);
+  ChildThread::current()->Send(
+      new FileSystemHostMsg_DidReceiveSnapshotFile(request_id));
 }
 
 void FileSystemDispatcher::OnDidReadDirectory(