Remove several JSFunction delegator functions.

test/cctest/test-heap.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1634 matching lines @@
   return count - 1;
 }
 
 
 // Count the number of user functions in the weak list of optimized
 // functions attached to a native context.
 static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) {
   int count = 0;
   Handle<Context> icontext = v8::Utils::OpenHandle(*context);
   Object* object = icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST);
-  while (object->IsJSFunction() && !JSFunction::cast(object)->IsBuiltin()) {
+  while (object->IsJSFunction() &&
+         !JSFunction::cast(object)->shared()->IsBuiltin()) {
     count++;
     object = JSFunction::cast(object)->next_function_link();
   }
   return count;
 }
 
 
 TEST(TestInternalWeakLists) {
   FLAG_always_opt = false;
   FLAG_allow_natives_syntax = true;
@@ skipping 123 matching lines @@
 // functions attached to a native context causing a GC after the
 // specified number of elements.
 static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context,
                                              int n) {
   int count = 0;
   Handle<Context> icontext = v8::Utils::OpenHandle(*context);
   Isolate* isolate = icontext->GetIsolate();
   Handle<Object> object(icontext->get(Context::OPTIMIZED_FUNCTIONS_LIST),
                         isolate);
   while (object->IsJSFunction() &&
-         !Handle<JSFunction>::cast(object)->IsBuiltin()) {
+         !Handle<JSFunction>::cast(object)->shared()->IsBuiltin()) {
     count++;
     if (count == n) isolate->heap()->CollectAllGarbage();
     object = Handle<Object>(
         Object::cast(JSFunction::cast(*object)->next_function_link()),
         isolate);
   }
   return count;
 }
 
 
@@ skipping 4473 matching lines @@
   isolate->IncrementJsCallsFromApiCounter();
   isolate->IncrementJsCallsFromApiCounter();
   isolate->IncrementJsCallsFromApiCounter();
   calls_per_ms = memory_reducer->SampleAndGetJsCallsPerMs(4);
   CheckDoubleEquals(2, calls_per_ms);
 }
 
 
 }  // namespace internal
 }  // namespace v8