Simplify passing of AccessorInfo to interceptors:

src/codegen.h

Index: src/codegen.h
diff --git a/src/codegen.h b/src/codegen.h
index adab93a189897990a053ae4ce70e83d5be226958..e5e2e4c43972ea146eef19d005af79790dde212c 100644
--- a/src/codegen.h
+++ b/src/codegen.h
@@ -436,7 +436,7 @@ class ApiGetterEntryStub : public CodeStub {
   virtual bool GetCustomCache(Code** code_out);
   virtual void SetCustomCache(Code* value);
 
-  static const int kStackSpace = 6;
+  static const int kStackSpace = 5;
   static const int kArgc = 4;
  private:
   Handle<AccessorInfo> info() { return info_; }