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

content/renderer/media/speech_recognition_audio_sink_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/renderer/media/speech_recognition_audio_sink.h"
 
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream_audio_source.h"
 #include "content/renderer/media/mock_media_constraint_factory.h"
@@ skipping 47 matching lines @@
 
   explicit MockSyncSocket(SharedBuffer* shared_buffer)
       : buffer_(shared_buffer),
         in_failure_mode_(false) {}
 
   MockSyncSocket(SharedBuffer* shared_buffer, const OnSendCB& on_send_cb)
       : buffer_(shared_buffer),
         on_send_cb_(on_send_cb),
         in_failure_mode_(false) {}
 
-  virtual size_t Send(const void* buffer, size_t length) override;
-  virtual size_t Receive(void* buffer, size_t length) override;
+  size_t Send(const void* buffer, size_t length) override;
+  size_t Receive(void* buffer, size_t length) override;
 
   // When |in_failure_mode_| == true, the socket fails to send.
   void SetFailureMode(bool in_failure_mode) {
     in_failure_mode_ = in_failure_mode;
   }
 
  private:
   SharedBuffer* buffer_;
   const OnSendCB on_send_cb_;
   bool in_failure_mode_;
@@ skipping 425 matching lines @@
   const uint32 kBuffersPerNotification = Initialize(44100, 441, 16000, 1600);
   AssertConsumedBuffers(0U);
   CaptureAudioAndAssertConsumedBuffers(kBuffersPerNotification, 1U);
   EXPECT_CALL(*this, StoppedCallback()).Times(1);
 
   native_track()->Stop();
   CaptureAudioAndAssertConsumedBuffers(kBuffersPerNotification, 1U);
 }
 
 }  // namespace content