Fix code style and gyp files in cast to build cast_unittest

media/cast/rtcp/mock_rtcp_receiver_feedback.h

 // 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.
 
 #ifndef MEDIA_CAST_RTCP_MOCK_RTCP_RECEIVER_FEEDBACK_H_
 #define MEDIA_CAST_RTCP_MOCK_RTCP_RECEIVER_FEEDBACK_H_
 
 #include <vector>
 
 #include "media/cast/rtcp/rtcp_receiver.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
 namespace cast {
 
 class MockRtcpReceiverFeedback : public RtcpReceiverFeedback {
  public:
+  MockRtcpReceiverFeedback();
+  virtual ~MockRtcpReceiverFeedback();
+
   MOCK_METHOD1(OnReceivedSenderReport,
                void(const RtcpSenderInfo& remote_sender_info));
 
   MOCK_METHOD1(OnReceiverReferenceTimeReport,
                void(const RtcpReceiverReferenceTimeReport& remote_time_report));
 
   MOCK_METHOD0(OnReceivedSendReportRequest, void());
 };
 
 class MockRtcpRttFeedback : public RtcpRttFeedback {
  public:
+  MockRtcpRttFeedback();
+  virtual ~MockRtcpRttFeedback();
+
   MOCK_METHOD3(OnReceivedDelaySinceLastReport,
                void(uint32 media_ssrc,
                     uint32 last_report,
                     uint32 delay_since_last_report));
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_RTCP_MOCK_RTCP_RECEIVER_FEEDBACK_H_