Adding allocator annotations to blink classes and structs.

Source/bindings/core/v8/ScopedPersistent.h

Index: Source/bindings/core/v8/ScopedPersistent.h
diff --git a/Source/bindings/core/v8/ScopedPersistent.h b/Source/bindings/core/v8/ScopedPersistent.h
index 270d60e470eb81d6a1fac5d1961659200900b3b8..3cd5e06d40e98e029dded90d2f9fa3d00a2be830 100644
--- a/Source/bindings/core/v8/ScopedPersistent.h
+++ b/Source/bindings/core/v8/ScopedPersistent.h
@@ -31,6 +31,7 @@
 #ifndef ScopedPersistent_h
 #define ScopedPersistent_h
 
+#include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
 #include <v8.h>
 
@@ -38,6 +39,7 @@ namespace blink {
 
 template<typename T>
 class ScopedPersistent {
+    WTF_MAKE_FAST_ALLOCATED(ScopedPersistent);
     WTF_MAKE_NONCOPYABLE(ScopedPersistent);
 public:
     ScopedPersistent() { }