Remove some direct uses of heap allocators from runtime.cc

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 107cbfd1ceb8488cef9cd5f65ecac41f2ccc5975..0285d226eb5e12ff674086259eb56005d2d0f8e6 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -387,6 +387,10 @@ class Factory V8_FINAL {
   Handle<JSDataView> NewJSDataView();
 
   Handle<JSProxy> NewJSProxy(Handle<Object> handler, Handle<Object> prototype);
+  Handle<JSProxy> NewJSFunctionProxy(Handle<Object> handler,
+                                     Handle<Object> call_trap,
+                                     Handle<Object> construct_trap,
+                                     Handle<Object> prototype);
 
   // Change the type of the argument into a JS object/function and reinitialize.
   void BecomeJSObject(Handle<JSReceiver> object);