Suppresses leaks in tracked_objects.

This change adds a rule that suppresses probably-intentional leaks caused by r108026 <http://crrev.com/108026>.

TBR=jar
BUG=102327
TEST=make the "Linux Tests (valgrind)(2)" bot green.
Review URL: http://codereview.chromium.org/8431023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108068 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/memcheck/suppressions.txt

@@ -5198,6 +5198,14 @@
    fun:_ZN2v88internalL6InvokeEbNS0_6HandleINS0_10JSFunctionEEENS1_INS0_6ObjectEEEiPS5_Pb
    fun:_ZN2v88internal9Execution4CallENS0_6HandleINS0_6ObjectEEES4_iPS4_Pbb
 }
+{
+   bug_102327
+   Memcheck:Leak
+   fun:_Znw*
+   fun:_ZN15tracked_objects10ThreadData10InitializeEv
+   fun:_ZN15tracked_objects10ThreadData30InitializeAndSetTrackingStatusEb
+   fun:_ZN15tracked_objects10ThreadData29ShutdownSingleThreadedCleanupEb
+}
 
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