Update {virtual,override,final} to follow C++11 style in chromeos.

chromeos/audio/cras_audio_handler_unittest.cc

 // Copyright (c) 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 "chromeos/audio/cras_audio_handler.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
@@ skipping 223 matching lines @@
   }
 
   int output_volume_changed_count() const {
     return output_volume_changed_count_;
   }
 
   int input_gain_changed_count() const {
     return input_gain_changed_count_;
   }
 
-  virtual ~TestObserver() {}
+  ~TestObserver() override {}
 
  protected:
   // chromeos::CrasAudioHandler::AudioObserver overrides.
-  virtual void OnActiveOutputNodeChanged() override {
+  void OnActiveOutputNodeChanged() override {
     ++active_output_node_changed_count_;
   }
 
-  virtual void OnActiveInputNodeChanged() override {
+  void OnActiveInputNodeChanged() override {
     ++active_input_node_changed_count_;
   }
 
-  virtual void OnAudioNodesChanged() override {
-    ++audio_nodes_changed_count_;
-  }
+  void OnAudioNodesChanged() override { ++audio_nodes_changed_count_; }
 
-  virtual void OnOutputMuteChanged() override {
-    ++output_mute_changed_count_;
-  }
+  void OnOutputMuteChanged() override { ++output_mute_changed_count_; }
 
-  virtual void OnInputMuteChanged() override {
-    ++input_mute_changed_count_;
-  }
+  void OnInputMuteChanged() override { ++input_mute_changed_count_; }
 
-  virtual void OnOutputVolumeChanged() override {
-    ++output_volume_changed_count_;
-  }
+  void OnOutputVolumeChanged() override { ++output_volume_changed_count_; }
 
-  virtual void OnInputGainChanged() override {
-    ++input_gain_changed_count_;
-  }
+  void OnInputGainChanged() override { ++input_gain_changed_count_; }
 
  private:
   int active_output_node_changed_count_;
   int active_input_node_changed_count_;
   int audio_nodes_changed_count_;
   int output_mute_changed_count_;
   int input_mute_changed_count_;
   int output_volume_changed_count_;
   int input_gain_changed_count_;
 
   DISALLOW_COPY_AND_ASSIGN(TestObserver);
 };
 
 class CrasAudioHandlerTest : public testing::Test {
  public:
   CrasAudioHandlerTest() : cras_audio_handler_(NULL),
                            fake_cras_audio_client_(NULL) {
   }
-  virtual ~CrasAudioHandlerTest() {}
+  ~CrasAudioHandlerTest() override {}
 
-  virtual void SetUp() override {
-  }
+  void SetUp() override {}
 
-  virtual void TearDown() override {
+  void TearDown() override {
     cras_audio_handler_->RemoveAudioObserver(test_observer_.get());
     test_observer_.reset();
     CrasAudioHandler::Shutdown();
     audio_pref_handler_ = NULL;
     DBusThreadManager::Shutdown();
   }
 
   void SetUpCrasAudioHandler(const AudioNodeList& audio_nodes) {
     DBusThreadManager::Initialize();
     fake_cras_audio_client_ = static_cast<FakeCrasAudioClient*>(
@@ skipping 1993 matching lines @@
   EXPECT_EQ(1, test_observer_->active_input_node_changed_count());
   test_observer_->reset_active_input_node_changed_count();
 
   audio_nodes.pop_back();
   ChangeAudioNodes(audio_nodes);
   EXPECT_EQ(0ULL, cras_audio_handler_->GetPrimaryActiveInputNode());
   EXPECT_EQ(1, test_observer_->active_input_node_changed_count());
 }
 
 }  // namespace chromeos