ThreadSanitizer: Expand one suppression, add another.

BUG=100026,107181
TEST=none
TBR=vrk

Review URL: http://codereview.chromium.org/8920010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@114075 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/tsan/suppressions.txt

@@ -351,7 +351,7 @@
    fun:logging::LogMessage::*LogMessage
    fun:base::PlatformThread::SetThreadPriority
    fun:base::SimpleThread::SetThreadPriority
-   fun:AudioRendererImpl::Run
+   fun:AudioDevice::Run
 }
 
 ############################
@@ -692,3 +692,15 @@
   fun:ChildThread::OnSetProfilerStatus
   fun:DispatchToMethod
 }
+{
+  bug_107181
+  ThreadSanitizer:Race
+  fun:media::AudioRendererAlgorithmBase::set_playback_rate
+  fun:media::AudioRendererAlgorithmOLA::set_playback_rate
+  fun:media::AudioRendererBase::SetPlaybackRate
+  fun:AudioRendererImpl::SetPlaybackRate
+  fun:media::CompositeFilter::SetPlaybackRate
+  fun:media::PipelineImpl::PlaybackRateChangedTask
+  ...
+  fun:base::internal::RunnableAdapter::Run
+}