Oilpan: Prepare moving AsyncCallStackTracker to Oilpan

Source/core/inspector/AsyncCallStackTracker.h

Index: Source/core/inspector/AsyncCallStackTracker.h
diff --git a/Source/core/inspector/AsyncCallStackTracker.h b/Source/core/inspector/AsyncCallStackTracker.h
index 27abc29df47e9dd29554194b29469a141fe74d12..c631e9170cca22cd831cabcf58cc14a49bf544f5 100644
--- a/Source/core/inspector/AsyncCallStackTracker.h
+++ b/Source/core/inspector/AsyncCallStackTracker.h
@@ -49,7 +49,7 @@ class ExecutionContextTask;
 class MutationObserver;
 class XMLHttpRequest;
 
-class AsyncCallStackTracker {
+class AsyncCallStackTracker : public NoBaseWillBeGarbageCollectedFinalized<AsyncCallStackTracker> {
     WTF_MAKE_NONCOPYABLE(AsyncCallStackTracker);
 public:
     class AsyncCallStack FINAL : public RefCountedWillBeGarbageCollectedFinalized<AsyncCallStack> {
@@ -117,6 +117,8 @@ public:
     void didFireAsyncCall();
     void clear();
 
+    void trace(Visitor*);
+
 private:
     void willHandleXHREvent(XMLHttpRequest*, Event*);
 
@@ -130,9 +132,9 @@ private:
     ExecutionContextData* createContextDataIfNeeded(ExecutionContext*);
 
     unsigned m_maxAsyncCallStackDepth;
-    RefPtrWillBePersistent<AsyncCallChain> m_currentAsyncCallChain;
+    RefPtrWillBeMember<AsyncCallChain> m_currentAsyncCallChain;
     unsigned m_nestedAsyncCallCount;
-    typedef HashMap<ExecutionContext*, ExecutionContextData*> ExecutionContextDataMap;
+    typedef WillBeHeapHashMap<ExecutionContext*, OwnPtrWillBeMember<ExecutionContextData> > ExecutionContextDataMap;

[haraken, 2014/08/11 10:59:59]

ExecutionContext is on-heap, so you can use a Member.

[keishi, 2014/08/11 13:01:45]

Done.

     ExecutionContextDataMap m_executionContextDataMap;
 };