Fix code style and gyp files in cast to build cast_unittest

media/cast/pacing/mock_paced_packet_sender.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_PACING_MOCK_PACED_PACKET_SENDER_H_
 #define MEDIA_CAST_PACING_MOCK_PACED_PACKET_SENDER_H_
 
 #include "media/cast/pacing/paced_sender.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace media {
 namespace cast {
 
 class MockPacedPacketSender : public PacedPacketSender {
  public:
+  MockPacedPacketSender();
+  virtual ~MockPacedPacketSender();
+
   MOCK_METHOD2(SendPacket,
                bool(const std::vector<uint8>& packet, int num_of_packets));
   MOCK_METHOD2(ResendPacket,
                bool(const std::vector<uint8>& packet, int num_of_packets));
   MOCK_METHOD1(SendRtcpPacket, bool(const std::vector<uint8>& packet));
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_PACING_MOCK_PACED_PACKET_SENDER_H_