Revert r18449 "Reland r18383: More API cleanup." and r18450 "Unbreak build."

test/cctest/test-assembler-x64.cc

 // Copyright 2009 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 586 matching lines @@
   CodeDesc desc;
   assm.GetCode(&desc);
   Code* code = Code::cast(isolate->heap()->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),
       Handle<Code>())->ToObjectChecked());
   CHECK(code->IsCode());
 
   F0 f = FUNCTION_CAST<F0>(code->entry());
   int res = f();
-  args.GetReturnValue().Set(v8::Integer::New(CcTest::isolate(), res));
+  args.GetReturnValue().Set(v8::Integer::New(res));
 }
 
 
 TEST(StackAlignmentForSSE2) {
   CcTest::InitializeVM();
   CHECK_EQ(0, OS::ActivationFrameAlignment() % 16);
 
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope handle_scope(isolate);
   v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
@@ skipping 87 matching lines @@
       Handle<Code>())->ToObjectChecked());
   CHECK(code->IsCode());
 #ifdef OBJECT_PRINT
   Code::cast(code)->Print();
 #endif
 
   F6 f = FUNCTION_CAST<F6>(Code::cast(code)->entry());
   CHECK_EQ(2, f(1.0, 2.0));
 }
 #undef __