Switch to standard integer types in chrome/browser/, part 2 of 4.

chrome/browser/media_galleries/gallery_watch_manager_observer.h

 // Copyright 2014 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_MEDIA_GALLERIES_GALLERY_WATCH_MANAGER_OBSERVER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_GALLERY_WATCH_MANAGER_OBSERVER_H_
 
-#include "base/basictypes.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 
 class GalleryWatchManagerObserver {
  public:
   virtual ~GalleryWatchManagerObserver() {}
 
   // Called when the gallery contents change.
   virtual void OnGalleryChanged(const std::string& extension_id,
                                 MediaGalleryPrefId gallery_id) = 0;
 
   // Called when the gallery watch is dropped without the caller requesting it,
   // because the permission was revoked, device was detached, etc.
   virtual void OnGalleryWatchDropped(const std::string& extension_id,
                                      MediaGalleryPrefId gallery_id) = 0;
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_GALLERY_WATCH_MANAGER_OBSERVER_H_