Oilpan: GC profiling.

Source/platform/heap/Visitor.h

Index: Source/platform/heap/Visitor.h
diff --git a/Source/platform/heap/Visitor.h b/Source/platform/heap/Visitor.h
index 5d5971e250579a85b57f21b731a8a7d67bd1d4af..18dc43276dbb1f3b9bc12260b610ee753e83bf80 100644
--- a/Source/platform/heap/Visitor.h
+++ b/Source/platform/heap/Visitor.h
@@ -43,7 +43,7 @@
 #include "wtf/RefPtr.h"
 #include "wtf/TypeTraits.h"
 #include "wtf/WeakPtr.h"
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILING)
 #include "wtf/text/WTFString.h"
 #endif
 
@@ -89,7 +89,7 @@ struct GCInfo {
     FinalizationCallback m_finalize;
     bool m_nonTrivialFinalizer;
     bool m_hasVTable;
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILING)
     // |m_className| is held as a reference to prevent dtor being called at exit.
     const String& m_className;
 #endif
@@ -416,7 +416,7 @@ public:
     FOR_EACH_TYPED_HEAP(DECLARE_VISITOR_METHODS)
 #undef DECLARE_VISITOR_METHODS
 
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILE_MARKING)
     void setHostInfo(void* object, const String& name)
     {
         m_hostObject = object;
@@ -426,7 +426,7 @@ public:
 
 protected:
     virtual void registerWeakCell(void**, WeakPointerCallback) = 0;
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILE_MARKING)
     void* m_hostObject;
     String m_hostName;
 #endif
@@ -596,7 +596,7 @@ private:
 #define WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TYPE)
 #endif
 
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILING)
 template<typename T>
 struct TypenameStringTrait {
     static const String& get()
@@ -616,7 +616,7 @@ struct GCInfoAtBase {
             FinalizerTrait<T>::finalize,
             FinalizerTrait<T>::nonTrivialFinalizer,
             WTF::IsPolymorphic<T>::value,
-#if ENABLE(GC_TRACING)
+#if ENABLE(GC_PROFILING)
             TypenameStringTrait<T>::get()
 #endif
         };