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

content/browser/battery_status/battery_status_service_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 "content/browser/battery_status/battery_status_service.h"
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "content/browser/battery_status/battery_status_manager.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 
 namespace content {
 
 namespace {
 
 class FakeBatteryManager : public BatteryStatusManager {
  public:
   explicit FakeBatteryManager(
       const BatteryStatusService::BatteryUpdateCallback& callback)
       : callback_(callback), start_invoked_count_(0), stop_invoked_count_(0) {}
-  virtual ~FakeBatteryManager() { }
+  ~FakeBatteryManager() override {}
 
   // Methods from Battery Status Manager
-  virtual bool StartListeningBatteryChange() override {
+  bool StartListeningBatteryChange() override {
     start_invoked_count_++;
     return true;
   }
 
-  virtual void StopListeningBatteryChange() override {
-    stop_invoked_count_++;
-  }
+  void StopListeningBatteryChange() override { stop_invoked_count_++; }
 
   void InvokeUpdateCallback(const blink::WebBatteryStatus& status) {
     callback_.Run(status);
   }
 
   int start_invoked_count() const { return start_invoked_count_; }
   int stop_invoked_count() const { return stop_invoked_count_; }
 
  private:
   BatteryStatusService::BatteryUpdateCallback callback_;
@@ skipping 140 matching lines @@
   subscription1.reset();
   battery_manager()->InvokeUpdateCallback(status);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1, callback1_invoked_count());
   EXPECT_EQ(2, callback2_invoked_count());
 }
 
 }  // namespace
 
 }  // namespace content