Annotate LeakyLazyInstance as a leak. Remove HeapChecker suppressions.

base/lazy_instance.h

Index: base/lazy_instance.h
diff --git a/base/lazy_instance.h b/base/lazy_instance.h
index 7021829e563a0facdb65c68fb7f70c2f1997891d..3935780a55b7352ba78611944b48fa3cfce15d14 100644
--- a/base/lazy_instance.h
+++ b/base/lazy_instance.h
@@ -40,6 +40,7 @@
 #include "base/atomicops.h"
 #include "base/base_export.h"
 #include "base/basictypes.h"
+#include "base/debug/leak_annotations.h"
 #include "base/logging.h"
 #include "base/memory/aligned_memory.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
@@ -91,6 +92,7 @@ struct LeakyLazyInstanceTraits {
   static const bool kAllowedToAccessOnNonjoinableThread = true;
 
   static Type* New(void* instance) {
+    ANNOTATE_SCOPED_MEMORY_LEAK;
     return DefaultLazyInstanceTraits<Type>::New(instance);
   }
   static void Delete(Type* instance) {