Optimized nodeType dom binding by removing HandleScope and the preparation of ordinary c function c…

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 24eea383949527c3edb7df1e37f34a032884afe3..eba2d08d7faaade808d8512bcd7616dc4b96c92f 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -1342,6 +1342,17 @@ class MacroAssembler: public Assembler {
                                 int stack_space,
                                 Operand return_value_operand,
                                 Operand* context_restore_operand);
+  //
+  // Fast Calls an API function. No allocate of HandleScope, extracts returned
+  // value from handle and propagates exceptions.  Clobbers r14, r15, rbx and
+  // caller-save registers.  Restores context.  On return removes
+  // stack_space * kPointerSize (GCed).
+  void CallFastApiFunctionAndReturn(Register function_address,
+                                ExternalReference thunk_ref,
+                                Register thunk_last_arg,
+                                int stack_space,
+                                Operand return_value_operand,
+                                Operand* context_restore_operand);
 
   // Before calling a C-function from generated code, align arguments on stack.
   // After aligning the frame, arguments must be stored in rsp[0], rsp[8],