Suppress memory errors on tracked_objects.

This change suppresses a memory error and TSAN races started since r107895 <http://crrev.com/107895>.

TBR=timurrrr,glider,thestig
BUG=102327
TEST=make the valgrind bots greener.
Review URL: http://codereview.chromium.org/8425003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107918 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions_mac.txt

@@ -1942,4 +1942,12 @@
    fun:CTFontGetAscent
    fun:__NSFontInstanceInfoInitializeMetricsInfo
 }
-
+{
+   bug_102327
+   Memcheck:Addr1
+   fun:_ZNK15tracked_objects10ThreadData26OnThreadTerminationCleanupEv
+   fun:_ZN15tracked_objects10ThreadData19OnThreadTerminationEPv
+   fun:_pthread_tsd_cleanup
+   fun:_pthread_exit
+   fun:thread_start
+}

tools/valgrind/tsan/suppressions.txt

@@ -272,8 +272,9 @@
 {
   bug_68481 [test-only race on bool]
   ThreadSanitizer:Race
-  fun:tracked_objects::ThreadData::StartTracking*
-  fun:tracked_objects::TrackedObjectsTest_MinimalStartupShutdown_Test::TestBody*
+  ...
+  fun:tracked_objects::ThreadData::ShutdownSingleThreadedCleanup
+  fun:tracked_objects::TrackedObjectsTest_MinimalStartupShutdown_Test::*
 }
 
 # TODO(timurrrr): bug item
@@ -644,3 +645,21 @@
   fun:BrowserThread::~BrowserThread
   fun:DeprecatedBrowserThread::~DeprecatedBrowserThread
 }
+{
+  bug_102327_a
+  ThreadSanitizer:Race
+  fun:tracked_objects::ThreadData::Initialize
+  fun:tracked_objects::ThreadData::InitializeThreadContext
+  fun:base::Thread::ThreadMain
+  fun:base::::ThreadFunc
+}
+{
+  bug_102327_b
+  ThreadSanitizer:Race
+  ...
+  fun:tracked_objects::ThreadData::TallyABirthIfActive
+  fun:base::PosixDynamicThreadPool::PendingTask::PendingTask
+  fun:base::PosixDynamicThreadPool::WaitForTask
+  fun:base::::WorkerThread::ThreadMain
+  fun:base::::ThreadFunc
+}