Move FindCodeObject from Heap to Isolate.

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 109 matching lines @@
   Object* code = heap->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Code>())->ToObjectChecked();
   CHECK(code->IsCode());
 
   HeapObject* obj = HeapObject::cast(code);
   Address obj_addr = obj->address();
 
   for (int i = 0; i < obj->Size(); i += kPointerSize) {
-    Object* found = heap->FindCodeObject(obj_addr + i);
+    Object* found = isolate->FindCodeObject(obj_addr + i);
     CHECK_EQ(code, found);
   }
 
   Object* copy = heap->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Code>())->ToObjectChecked();
   CHECK(copy->IsCode());
   HeapObject* obj_copy = HeapObject::cast(copy);
-  Object* not_right = heap->FindCodeObject(obj_copy->address() +
-                                           obj_copy->Size() / 2);
+  Object* not_right = isolate->FindCodeObject(obj_copy->address() +
+                                              obj_copy->Size() / 2);
   CHECK(not_right != code);
 }
 
 
 TEST(HeapObjects) {
   CcTest::InitializeVM();
   Isolate* isolate = Isolate::Current();
   Factory* factory = isolate->factory();
   Heap* heap = isolate->heap();
 
@@ skipping 3196 matching lines @@
              "    var a = new Array(n);"
              "    for (var i = 0; i < n; i += 100) a[i] = i;"
              "};"
              "f(10 * 1024 * 1024);");
   IncrementalMarking* marking = HEAP->incremental_marking();
   if (marking->IsStopped()) marking->Start();
   // This big step should be sufficient to mark the whole array.
   marking->Step(100 * MB, IncrementalMarking::NO_GC_VIA_STACK_GUARD);
   ASSERT(marking->IsComplete());
 }