switch mediaGalleries to .idl api definition

chrome/browser/extensions/api/media_galleries/media_galleries_api.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.
 
 // Defines the Chrome Extensions Media Galleries API functions for accessing
 // user's media files, as specified in the extension API JSON.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERY_MEDIA_GALLERY_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERY_MEDIA_GALLERY_API_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 
 namespace extensions {
 
-class GetMediaFileSystemsFunction : public SyncExtensionFunction {
+class MediaGalleriesGetMediaFileSystemsFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME(
       "experimental.mediaGalleries.getMediaFileSystems")
 
  protected:
-  virtual ~GetMediaFileSystemsFunction();
+  virtual ~MediaGalleriesGetMediaFileSystemsFunction();
   virtual bool RunImpl() OVERRIDE;
 };
 
-class OpenMediaGalleryManagerFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION_NAME(
-      "experimental.mediaGalleries.openMediaGalleryManager")
-
- protected:
-  virtual ~OpenMediaGalleryManagerFunction();
-  virtual bool RunImpl() OVERRIDE;
-};
-
-class AssembleMediaFileFunction : public SyncExtensionFunction {
+class MediaGalleriesAssembleMediaFileFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME(
       "experimental.mediaGalleries.assembleMediaFile")
 
  protected:
-  virtual ~AssembleMediaFileFunction();
+  virtual ~MediaGalleriesAssembleMediaFileFunction();
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERY_MEDIA_GALLERY_API_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_