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

content/browser/power_monitor_message_broadcaster_unittest.cc

 // Copyright 2013 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/test/power_monitor_test_base.h"
 #include "content/browser/power_monitor_message_broadcaster.h"
 #include "content/common/power_monitor_messages.h"
 #include "ipc/ipc_sender.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class PowerMonitorMessageSender : public IPC::Sender {
  public:
   PowerMonitorMessageSender()
       : power_state_changes_(0),
         suspends_(0),
         resumes_(0) {
   }
-  virtual ~PowerMonitorMessageSender() {}
+  ~PowerMonitorMessageSender() override {}
 
-  virtual bool Send(IPC::Message* msg) override {
+  bool Send(IPC::Message* msg) override {
     switch (msg->type()) {
       case PowerMonitorMsg_Suspend::ID:
         suspends_++;
         break;
       case PowerMonitorMsg_Resume::ID:
         resumes_++;
         break;
       case PowerMonitorMsg_PowerStateChange::ID:
         power_state_changes_++;
         break;
@@ skipping 71 matching lines @@
   // Pretend the device has gone off battery power
   source()->GeneratePowerStateEvent(false);
   EXPECT_EQ(sender.power_state_changes(), 3);
 
   // Repeated indications the device is off battery power should be suppressed.
   source()->GeneratePowerStateEvent(false);
   EXPECT_EQ(sender.power_state_changes(), 3);
 }
 
 }  // namespace base