Refactor 'dart:profiler' UserTag API

runtime/vm/object.h

Index: runtime/vm/object.h
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index 3c5d1ee50993af5738910e3a913f157d1752d95d..41650f027777ff82e8c62d208defa75ad1d221f3 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -6876,7 +6876,6 @@ class UserTag : public Instance {
   }
 
   void MakeActive() const;
-  static void ClearActive();
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawUserTag));
@@ -6884,6 +6883,7 @@ class UserTag : public Instance {
 
   static RawUserTag* New(const String& label,
                          Heap::Space space = Heap::kOld);
+  static RawUserTag* MakeDefault();

[Ivan Posva, 2014/05/06 16:43:06]

As this corresponds to "static UserTag get defaultTag" I would rename it to
DefaultTag and drop the Make out of it. Otherwise it reads strange at the places
where you try to get the default tag.

[Cutch, 2014/05/06 17:00:25]

Done.

 
   static bool TagTableIsFull(Isolate* isolate);
   static RawUserTag* FindTagById(uword tag_id);