Fix code style and gyp files in cast to build cast_unittest

media/cast/video_sender/video_sender_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 <vector>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "media/cast/cast_thread.h"
@@ skipping 35 matching lines @@
   // Do nothing.
 }
 
 class VideoSenderTest : public ::testing::Test {
  protected:
   VideoSenderTest() {
     testing_clock_.Advance(
         base::TimeDelta::FromMilliseconds(kStartMillisecond));
   }
 
-  ~VideoSenderTest() {}
+  virtual ~VideoSenderTest() {}
 
   void InitEncoder(bool external) {
     VideoSenderConfig video_config;
     video_config.sender_ssrc = 1;
     video_config.incoming_feedback_ssrc = 2;
     video_config.rtp_payload_type = 127;
     video_config.use_external_encoder = external;
     video_config.width = 320;
     video_config.height = 240;
     video_config.max_bitrate = 5000000;
@@ skipping 128 matching lines @@
       base::TimeDelta::FromMilliseconds(1 + kDefaultRtpMaxDelayMs);
 
   // Make sure that we do a re-send.
   testing_clock_.Advance(max_resend_timeout);
   task_runner_->RunTasks();
 }
 
 }  // namespace cast
 }  // namespace media