This might be due to the new media_stream_manager_unittest.cc which d…

…oes enumeration on bots.

The linux valgrind bot3 http://build.chromium.org/p/chromium.memory.fyi/builders/Linux%20Tests%20%28valgrind%29%283%29
is keep failing on this test, I will land this suppression first and investigate on the issue next week.

TBR=tommi@chromium.org
BUG=156829

Review URL: https://codereview.chromium.org/11229006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163004 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -6088,3 +6088,9 @@
   ...
   fun:_ZN11dom_storage47DomStorageContextTest_DeleteSessionStorage_Test8TestBodyEv
 }
+{
+  bug_156829
+  Memcheck:Leak
+  fun:_Znw*
+  fun:_ZN12media_stream23AudioInputDeviceManager23EnumerateOnDeviceThreadEv
+}