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

chrome/browser/power/process_power_collector_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 "chrome/browser/power/process_power_collector.h"
 
 #include "chrome/browser/apps/scoped_keep_alive.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/apps/chrome_app_delegate.h"
 #include "chrome/browser/ui/browser_commands.h"
@@ skipping 77 matching lines @@
   scoped_ptr<ProcessPowerCollector> collector;
   scoped_ptr<TestingProfileManager> profile_manager_;
 };
 
 class TestAppWindowContents : public extensions::AppWindowContents {
  public:
   explicit TestAppWindowContents(content::WebContents* web_contents)
       : web_contents_(web_contents) {}
 
   // apps:AppWindowContents
-  virtual void Initialize(content::BrowserContext* context,
-                          const GURL& url) override {}
-  virtual void LoadContents(int32 creator_process_id) override {}
-  virtual void NativeWindowChanged(
+  void Initialize(content::BrowserContext* context, const GURL& url) override {}
+  void LoadContents(int32 creator_process_id) override {}
+  void NativeWindowChanged(
       extensions::NativeAppWindow* native_app_window) override {}
-  virtual void NativeWindowClosed() override {}
-  virtual void DispatchWindowShownForTests() const override {}
-  virtual content::WebContents* GetWebContents() const override {
+  void NativeWindowClosed() override {}
+  void DispatchWindowShownForTests() const override {}
+  content::WebContents* GetWebContents() const override {
     return web_contents_.get();
   }
 
  private:
   scoped_ptr<content::WebContents> web_contents_;
 };
 
 TEST_F(BrowserProcessPowerTest, NoSite) {
   collector->UpdatePowerConsumptionForTesting();
   EXPECT_EQ(0u, collector->metrics_map_for_testing()->size());
@@ skipping 196 matching lines @@
   collector->UpdatePowerConsumptionForTesting();
   EXPECT_EQ(1u, collector->metrics_map_for_testing()->size());
 
   // Clear the AppWindowContents before trying to close.
   window->SetAppWindowContentsForTesting(
       scoped_ptr<extensions::AppWindowContents>());
   window->OnNativeClose();
   collector->UpdatePowerConsumptionForTesting();
   EXPECT_EQ(0u, collector->metrics_map_for_testing()->size());
 }