Fix code style and gyp files in cast to build cast_unittest

media/cast/audio_receiver/audio_receiver_unittest.cc

Index: media/cast/audio_receiver/audio_receiver_unittest.cc
diff --git a/media/cast/audio_receiver/audio_receiver_unittest.cc b/media/cast/audio_receiver/audio_receiver_unittest.cc
index aa1295a90d6043d35e6295296fa6d764323c5c92..d9ac97a7c0365a621db79019ce08b56bd3356e25 100644
--- a/media/cast/audio_receiver/audio_receiver_unittest.cc
+++ b/media/cast/audio_receiver/audio_receiver_unittest.cc
@@ -52,10 +52,10 @@ class AudioReceiverTest : public ::testing::Test {
     receiver_->set_clock(&testing_clock_);
   }
 
-  ~AudioReceiverTest() {}
+  virtual ~AudioReceiverTest() {}
 
   virtual void SetUp() {
-  payload_.assign(kPacketSize, 0);
+    payload_.assign(kPacketSize, 0);
     // Always start with a key frame.
     rtp_header_.is_key_frame = true;
     rtp_header_.frame_id = 0;