Revert 107928 - Pile of nits for tracked object enablement

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 107930)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -193,25 +193,6 @@
    fun:base::LeakyLazyInstanceTraits::New
    fun:base::LazyInstance::Pointer
 }
-{
-   Intentional leak in object tracking statics to avoid shutdown race
-   Heapcheck:Leak
-   ...
-   fun:tracked_objects::ThreadData::Initialize
-}
-{
-   Intentional leak in object tracking of thread context to avoid shutdown race
-   Heapcheck:Leak
-   fun:tracked_objects::ThreadData::Get
-}
-{
-   Intentional leak of task birth and death data to avoid shutdown race
-   Heapcheck:Leak
-   ...
-   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).