Broker out PPAPI handle duplication

webkit/fileapi/file_system_callback_dispatcher.cc

Index: webkit/fileapi/file_system_callback_dispatcher.cc
===================================================================
--- webkit/fileapi/file_system_callback_dispatcher.cc	(revision 136613)
+++ webkit/fileapi/file_system_callback_dispatcher.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -12,8 +12,7 @@
 }
 
 void FileSystemCallbackDispatcher::DidOpenFile(
-    base::PlatformFile file,
-    base::ProcessHandle peer_handle) {
+    base::PlatformFile file) {
   NOTREACHED();
 
   if (file != base::kInvalidPlatformFileValue)