Move MemoryAllocator and CodeRange into Heap

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 6e6d893403ce5bbe0c67fef515d3c6121137794b..16d512a170810c2d02ac5a00675c60d4774be7c0 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -1410,8 +1410,10 @@ Handle<Code> Factory::NewCode(const CodeDesc& desc,
   int obj_size = Code::SizeFor(body_size);
 
   Handle<Code> code = NewCodeRaw(obj_size, immovable);
-  DCHECK(isolate()->code_range() == NULL || !isolate()->code_range()->valid() ||
-         isolate()->code_range()->contains(code->address()) ||
+  DCHECK(isolate()->heap()->memory_allocator()->code_range() == NULL ||
+         !isolate()->heap()->memory_allocator()->code_range()->valid() ||
+         isolate()->heap()->memory_allocator()->code_range()->contains(
+             code->address()) ||
          obj_size <= isolate()->heap()->code_space()->AreaSize());
 
   // The code object has not been fully initialized yet.  We rely on the