[Isolates] Replace ISOLATE_FROM_HEAP with Heap::isolate()

src/builtins.cc

 // Copyright 2006-2008 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 227 matching lines @@
   // Set length and elements on the array.
   array->set_elements(FixedArray::cast(obj));
   array->set_length(len);
 
   return array;
 }
 
 
 static Object* AllocateJSArray(Heap* heap) {
   JSFunction* array_function =
-      ISOLATE_FROM_HEAP(heap)->context()->global_context()->array_function();
+      heap->isolate()->context()->global_context()->array_function();
   Object* result = heap->AllocateJSObject(array_function);
   if (result->IsFailure()) return result;
   return result;
 }
 
 
 static Object* AllocateEmptyJSArray(Heap* heap) {
   Object* result = AllocateJSArray(heap);
   if (result->IsFailure()) return result;
   JSArray* result_array = JSArray::cast(result);
@@ skipping 112 matching lines @@
   return true;
 }
 
 
 static bool IsFastElementMovingAllowed(Heap* heap,
                                        Object* receiver,
                                        FixedArray** elements) {
   if (!IsJSArrayWithFastElements(heap, receiver, elements)) return false;
 
   Context* global_context =
-      ISOLATE_FROM_HEAP(heap)->context()->global_context();
+      heap->isolate()->context()->global_context();
   JSObject* array_proto =
       JSObject::cast(global_context->array_function()->prototype());
   if (JSArray::cast(receiver)->GetPrototype() != array_proto) return false;
   return ArrayPrototypeHasNoElements(heap, global_context, array_proto);
 }
 
 
 static Object* CallJsBuiltin(Isolate* isolate,
                              const char* name,
                              BuiltinArguments<NO_EXTRA_ARGUMENTS> args) {
@@ skipping 1188 matching lines @@
       if (entry->contains(pc)) {
         return names_[i];
       }
     }
   }
   return NULL;
 }
 
 
 } }  // namespace v8::internal