Standardize usage of virtual/override/final in chrome/browser/media_galleries

chrome/browser/media_galleries/gallery_watch_manager_unittest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 130 matching lines @@
     pending_loop_ = loop;
   }
 
   void ExpectGalleryWatchDropped(base::RunLoop* loop) {
     expect_gallery_watch_dropped_ = true;
     pending_loop_ = loop;
   }
 
  private:
   // GalleryWatchManagerObserver implementation.
-  virtual void OnGalleryChanged(const std::string& extension_id,
-                                MediaGalleryPrefId gallery_id) override {
+  void OnGalleryChanged(const std::string& extension_id,
+                        MediaGalleryPrefId gallery_id) override {
     EXPECT_TRUE(expect_gallery_changed_);
     pending_loop_->Quit();
   }
 
-  virtual void OnGalleryWatchDropped(const std::string& extension_id,
-                                     MediaGalleryPrefId gallery_id) override {
+  void OnGalleryWatchDropped(const std::string& extension_id,
+                             MediaGalleryPrefId gallery_id) override {
     EXPECT_TRUE(expect_gallery_watch_dropped_);
     pending_loop_->Quit();
   }
 
   scoped_ptr<GalleryWatchManager> manager_;
 
   // Needed for extension service & friends to work.
   content::TestBrowserThreadBundle thread_bundle_;
 
   scoped_refptr<extensions::Extension> extension_;
@@ skipping 153 matching lines @@
   AddAndConfirmWatch(id);
 
   base::RunLoop success_loop;
   ExpectGalleryChanged(&success_loop);
   ASSERT_EQ(
       4, base::WriteFile(temp_dir.path().AppendASCII("fake file"), "blah", 4));
   success_loop.Run();
 }
 
 }  // namespace component_updater