Be able to build cast_unittest and related targets in Chrome tree

media/cast/rtcp/rtcp_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 "base/memory/scoped_ptr.h"
 #include "media/cast/cast_defines.h"
 #include "media/cast/pacing/paced_sender.h"
 #include "media/cast/rtcp/rtcp_sender.h"
 #include "media/cast/rtcp/test_rtcp_packet_builder.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 14 matching lines @@
   }
 
   virtual bool SendRtcpPacket(const std::vector<uint8>& packet) OVERRIDE {
     EXPECT_EQ(expected_packet_length_, packet.size());
     EXPECT_EQ(0, memcmp(expected_packet_, &(packet[0]), packet.size()));
     packet_count_++;
     return true;
   }
 
   virtual bool SendPacket(const std::vector<uint8>& packet,
-                          int num_of_packets) {
+                          int num_of_packets) OVERRIDE {
     return false;
   }
 
   virtual bool ResendPacket(const std::vector<uint8>& packet,
-                            int num_of_packets) {
+                            int num_of_packets) OVERRIDE {
     return false;
   }
 
   void SetExpectedRtcpPacket(const uint8* rtcp_buffer, int length) {
     expected_packet_length_ = length;
     memcpy(expected_packet_, rtcp_buffer, length);
   }
 
   int packet_count() { return packet_count_; }
 
@@ skipping 225 matching lines @@
                          kMediaSsrc,
                          NULL,
                          NULL,
                          NULL);
 
   EXPECT_EQ(1, test_transport_.packet_count());
 }
 
 }  // namespace cast
 }  // namespace media