[runtime] [proxy] removing JSFunctionProxy and related code.

src/js/proxy.js

Index: src/js/proxy.js
diff --git a/src/js/proxy.js b/src/js/proxy.js
index 2750d40e272f27d3b0a49a0897e25cfbacf2f649..e775ae80f97773d42f5562f14bfa86ef3242c229 100644
--- a/src/js/proxy.js
+++ b/src/js/proxy.js
@@ -20,28 +20,6 @@ utils.Import(function(from) {
   MakeTypeError = from.MakeTypeError;
 });
 
-//----------------------------------------------------------------------------
-
-function ProxyCreateFunction(handler, callTrap, constructTrap) {
-  if (!IS_SPEC_OBJECT(handler))
-    throw MakeTypeError(kProxyHandlerNonObject, "createFunction")
-  if (!IS_CALLABLE(callTrap))
-    throw MakeTypeError(kProxyTrapFunctionExpected, "call")
-  if (IS_UNDEFINED(constructTrap)) {
-    constructTrap = DerivedConstructTrap(callTrap)
-  } else if (IS_CALLABLE(constructTrap)) {
-    // Make sure the trap receives 'undefined' as this.
-    var construct = constructTrap
-    constructTrap = function() {
-      return %Apply(construct, UNDEFINED, arguments, 0, %_ArgumentsLength());
-    }
-  } else {
-    throw MakeTypeError(kProxyTrapFunctionExpected, "construct")
-  }
-  return %CreateJSFunctionProxy(
-    {}, handler, callTrap, constructTrap, GlobalFunction.prototype)
-}
-
 // -------------------------------------------------------------------
 // Proxy Builtins
 
@@ -140,13 +118,6 @@ function ProxyEnumerate(trap, handler, target) {
   return result;
 }
 
-//-------------------------------------------------------------------
-
-//Set up non-enumerable properties of the Proxy object.
-utils.InstallFunctions(GlobalProxy, DONT_ENUM, [
-  "createFunction", ProxyCreateFunction
-]);
-
 // -------------------------------------------------------------------
 // Exports