Fix suppressions for tracked_object

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 107939)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -200,8 +200,15 @@
    fun:tracked_objects::ThreadData::Initialize*
 }
 {
+   Give breathing room for tracked object tests.. may do better later.
+   Heapcheck:Leak
+   ...
+   fun:tracked_objects::TrackedObjectsTest*
+}
+{
    Intentional leak in object tracking of thread context to avoid shutdown race
    Heapcheck:Leak
+   ...
    fun:tracked_objects::ThreadData::Get
 }
 {
@@ -210,8 +217,6 @@
    ...
    fun:tracked_objects::ThreadData::TallyA*
 }
-
-
 #-----------------------------------------------------------------------
 # 3. Suppressions for real chromium bugs that are not yet fixed.
 # These should all be in chromium's bug tracking system (but a few aren't yet).