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

content/renderer/media/media_stream_dispatcher_unittest.cc

Index: content/renderer/media/media_stream_dispatcher_unittest.cc
diff --git a/content/renderer/media/media_stream_dispatcher_unittest.cc b/content/renderer/media/media_stream_dispatcher_unittest.cc
index ccf6fd53c85d57fc3d6cdaeb1c4e943e511bf477..32acc8825446f4ceecbf5d4b7d29cd162da43a0b 100644
--- a/content/renderer/media/media_stream_dispatcher_unittest.cc
+++ b/content/renderer/media/media_stream_dispatcher_unittest.cc
@@ -37,9 +37,9 @@ class MockMediaStreamDispatcherEventHandler
   MockMediaStreamDispatcherEventHandler()
       : request_id_(-1) {}
 
-  virtual void OnStreamGenerated(
+  void OnStreamGenerated(
       int request_id,
-      const std::string &label,
+      const std::string& label,
       const StreamDeviceInfoArray& audio_device_array,
       const StreamDeviceInfoArray& video_device_array) override {
     request_id_ = request_id;
@@ -54,14 +54,14 @@ class MockMediaStreamDispatcherEventHandler
     }
   }
 
-  virtual void OnStreamGenerationFailed(
+  void OnStreamGenerationFailed(
       int request_id,
       content::MediaStreamRequestResult result) override {
     request_id_ = request_id;
   }
 
-  virtual void OnDeviceStopped(const std::string& label,
-                               const StreamDeviceInfo& device_info) override {
+  void OnDeviceStopped(const std::string& label,
+                       const StreamDeviceInfo& device_info) override {
     device_stopped_label_ = label;
     if (IsVideoMediaType(device_info.device.type)) {
       EXPECT_TRUE(StreamDeviceInfo::IsEqual(video_device_, device_info));
@@ -71,23 +71,19 @@ class MockMediaStreamDispatcherEventHandler
     }
   }
 
-  virtual void OnDevicesEnumerated(
-      int request_id,
-      const StreamDeviceInfoArray& device_array) override {
+  void OnDevicesEnumerated(int request_id,
+                           const StreamDeviceInfoArray& device_array) override {
     request_id_ = request_id;
   }
 
-  virtual void OnDeviceOpened(
-      int request_id,
-      const std::string& label,
-      const StreamDeviceInfo& video_device) override {
+  void OnDeviceOpened(int request_id,
+                      const std::string& label,
+                      const StreamDeviceInfo& video_device) override {
     request_id_ = request_id;
     label_ = label;
   }
 
-  virtual void OnDeviceOpenFailed(int request_id) override {
-    request_id_ = request_id;
-  }
+  void OnDeviceOpenFailed(int request_id) override { request_id_ = request_id; }
 
   void ResetStoredParameters() {
     request_id_ = -1;