Cast:Adding cast_transport_config and cleaning up

media/cast/rtcp/rtcp_sender_unittest.cc

Index: media/cast/rtcp/rtcp_sender_unittest.cc
diff --git a/media/cast/rtcp/rtcp_sender_unittest.cc b/media/cast/rtcp/rtcp_sender_unittest.cc
index e3104c9e11de4375f5841c73f2c171c986cbda20..9a841965033eef75fdae51415e88707786e76df7 100644
--- a/media/cast/rtcp/rtcp_sender_unittest.cc
+++ b/media/cast/rtcp/rtcp_sender_unittest.cc
@@ -53,7 +53,7 @@ class TestRtcpTransport : public transport::PacedPacketSender {
   int packet_count() const { return packet_count_; }
 
  private:
-  uint8 expected_packet_[kIpPacketSize];
+  uint8 expected_packet_[kMaxIpPacketSize];
   size_t expected_packet_length_;
   int packet_count_;
 };
@@ -64,7 +64,7 @@ class RtcpSenderTest : public ::testing::Test {
       : task_runner_(new test::FakeTaskRunner(&testing_clock_)),
         cast_environment_(new CastEnvironment(&testing_clock_, task_runner_,
             task_runner_, task_runner_, task_runner_, task_runner_,
-            GetDefaultCastLoggingConfig())),
+            task_runner_, GetDefaultCastLoggingConfig())),
         rtcp_sender_(new RtcpSender(cast_environment_,
                                     &test_transport_,
                                     kSendingSsrc,