Revert 111320 - Disable PipelineImplTest.AudioStream on OS X

BUG=105234

Review URL: http://codereview.chromium.org/8679001

TBR=rsleevi@chromium.org
Review URL: http://codereview.chromium.org/8678004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@111335 0039d316-1c4b-4281-b951-d872f2087c98

media/base/pipeline_impl_unittest.cc

@@ -381,13 +381,7 @@ TEST_F(PipelineImplTest, NoStreams) {
   EXPECT_FALSE(pipeline_->IsInitialized());
 }
 
-#if defined(OS_MACOSX)
-// Crashes on OS X - http://crbug.com/105234
-#define MAYBE_AudioStream DISABLED_AudioStream
-#else
-#define MAYBE_AudioStream AudioStream
-#endif
-TEST_F(PipelineImplTest, MAYBE_AudioStream) {
+TEST_F(PipelineImplTest, AudioStream) {
   CreateAudioStream();
   MockDemuxerStreamVector streams;
   streams.push_back(audio_stream());