Revert 186643 - Caused a 10% regression on SunSpider benchmark

chrome/renderer/extensions/media_galleries_custom_bindings.cc

 // 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.
 
 #include "chrome/renderer/extensions/media_galleries_custom_bindings.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/stringprintf.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "v8/include/v8.h"
 #include "webkit/fileapi/file_system_util.h"
 
 namespace extensions {
 
-MediaGalleriesCustomBindings::MediaGalleriesCustomBindings(
-    Dispatcher* dispatcher, v8::Handle<v8::Context> v8_context)
-    : ChromeV8Extension(dispatcher, v8_context) {
+MediaGalleriesCustomBindings::MediaGalleriesCustomBindings()
+    : ChromeV8Extension(NULL) {
   RouteFunction(
       "GetMediaFileSystemObject",
       base::Bind(&MediaGalleriesCustomBindings::GetMediaFileSystemObject,
                  base::Unretained(this)));
   RouteFunction(
       "ExtractEmbeddedThumbnails",
       base::Bind(&MediaGalleriesCustomBindings::ExtractEmbeddedThumbnails,
                  base::Unretained(this)));
 }
 
@@ skipping 39 matching lines @@
     NOTREACHED() << "Bad arguments";
     return v8::Undefined();
   }
   // TODO(vandebo) Check that the object is a FileEntry.
 
   // TODO(vandebo) Create and return a Directory entry object.
   return v8::Null();
 }
 
 }  // namespace extensions