Annotate the intentional test-only leak in base/tracked_objects.cc.

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
diff --git a/tools/heapcheck/suppressions.txt b/tools/heapcheck/suppressions.txt
index 6ba23f0ede741b34cb5e13a24f53f78c54afe3fa..f750c448b97775b578a17a89edbba7445bb691da 100644
--- a/tools/heapcheck/suppressions.txt
+++ b/tools/heapcheck/suppressions.txt
@@ -295,23 +295,6 @@
    fun:content::BrowserThreadTest_NotReleasedIfTargetThreadNonExistent_Test::TestBody
 }
 {
-   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*
-}
-{
    FileStream::Context can leak through WorkerPool by design (Linux)
    Heapcheck:Leak
    fun:net::FileStream::FileStream
@@ -1244,22 +1227,6 @@
    fun:ui::InputMethodIBus::Init
 }
 {
-   bug_136936_a
-   Heapcheck:Leak
-   ...
-   fun:std::basic_string::_Rep::_S_create
-   ...
-   fun:base::PlatformThread::SetName
-}
-{
-   bug_136936_b
-   Heapcheck:Leak
-   ...
-   fun:std::basic_string::_Rep::_S_create
-   ...
-   fun:base::PlatformThread::CurrentId
-}
-{
    bug_143565
    Heapcheck:Leak
    ...