Remove media_galleries_handlers - not used.

chrome/browser/extensions/api/media_galleries_private/media_galleries_private_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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 128 matching lines @@
  protected:
   virtual ~MediaGalleriesPrivateRemoveAllGalleryWatchFunction();
 
   // SyncExtensionFunction overrides.
   virtual bool RunAsync() OVERRIDE;
 
  private:
   void OnPreferencesInit();
 };
 
-// Implements the chrome.mediaGalleriesPrivate.getHandlers method.
-class MediaGalleriesPrivateGetHandlersFunction
-    : public ChromeAsyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("mediaGalleriesPrivate.getHandlers",
-                             MEDIAGALLERIESPRIVATE_GETHANDLERS);
-
- protected:
-  virtual ~MediaGalleriesPrivateGetHandlersFunction();
-
-  // AsyncExtensionFunction overrides.
-  virtual bool RunAsync() OVERRIDE;
-};
-
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_PRIVATE_API_H_