Move MediaGalleries.getMediaFileSystems out of experimental.

chrome/renderer/extensions/media_galleries_custom_bindings.h

 // 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.
 
-#ifndef CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERY_CUSTOM_BINDINGS_H_
-#define CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERY_CUSTOM_BINDINGS_H_
+#ifndef CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERIES_CUSTOM_BINDINGS_H_
+#define CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERIES_CUSTOM_BINDINGS_H_
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
 namespace extensions {
 
-// Implements custom bindings for the media gallery API.
-class MediaGalleryCustomBindings : public ChromeV8Extension {
+// Implements custom bindings for the media galleries API.
+class MediaGalleriesCustomBindings : public ChromeV8Extension {
  public:
-  MediaGalleryCustomBindings();
+  MediaGalleriesCustomBindings();
 
  private:
   // FileSystemObject GetMediaFileSystem(string file_system_url): construct
   // a file system object from a file system url.
   v8::Handle<v8::Value> GetMediaFileSystemObject(const v8::Arguments& args);
 
   // DirectoryReader GetMediaFileSystem(FileEntry): synchronously return a
   // directory reader for a virtual directory.  The directory will contain
   // all of the thumbnails embedded in the passed file.
   v8::Handle<v8::Value> ExtractEmbeddedThumbnails(const v8::Arguments& args);
 
-  DISALLOW_COPY_AND_ASSIGN(MediaGalleryCustomBindings);
+  DISALLOW_COPY_AND_ASSIGN(MediaGalleriesCustomBindings);
 };
 
 }  // extensions
 
-#endif  // CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERY_CUSTOM_BINDINGS_H_
+#endif  // CHROME_RENDERER_EXTENSIONS_MEDIA_GALLERIES_CUSTOM_BINDINGS_H_