Remove all uses of GG_UINT32_C.

media/cast/audio_sender/audio_sender_unittest.cc

Index: media/cast/audio_sender/audio_sender_unittest.cc
diff --git a/media/cast/audio_sender/audio_sender_unittest.cc b/media/cast/audio_sender/audio_sender_unittest.cc
index ad0f3db87b1ffe2cc59b2f0b02dbf30f8b266666..80443cb5fb1455bbe766f76ccdac149c62491818 100644
--- a/media/cast/audio_sender/audio_sender_unittest.cc
+++ b/media/cast/audio_sender/audio_sender_unittest.cc
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <stdint.h>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
@@ -20,7 +22,7 @@
 namespace media {
 namespace cast {
 
-static const int64 kStartMillisecond = GG_INT64_C(12345678900000);
+static const int64 kStartMillisecond = INT64_C(12345678900000);
 
 class TestPacketSender : public transport::PacketSender {
  public: