Remove --harmony-scoping flag.

test/cctest/test-serialize.cc

 // Copyright 2007-2010 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 1370 matching lines @@
     v8::ScriptCompiler::CompileUnbound(isolate2, &source,
                                        v8::ScriptCompiler::kConsumeCodeCache);
     CHECK(cache->rejected);
   }
   isolate2->Dispose();
 }
 
 
 TEST(SerializeWithHarmonyScoping) {
   FLAG_serialize_toplevel = true;
-  FLAG_harmony_scoping = true;
 
   const char* source1 = "'use strict'; let x = 'X'";
   const char* source2 = "'use strict'; let y = 'Y'";
   const char* source3 = "'use strict'; x + y";
 
   v8::ScriptCompiler::CachedData* cache;
 
   v8::Isolate* isolate1 = v8::Isolate::New();
   {
     v8::Isolate::Scope iscope(isolate1);
@@ skipping 89 matching lines @@
     v8::Local<v8::Context> context = v8::Context::New(isolate);
     delete[] data.data;  // We can dispose of the snapshot blob now.
     v8::Context::Scope c_scope(context);
     v8::Handle<v8::Function> foo =
         v8::Handle<v8::Function>::Cast(CompileRun("foo"));
     CHECK(v8::Utils::OpenHandle(*foo)->code()->is_turbofanned());
     CHECK_EQ(3, CompileRun("foo(4)")->ToInt32(isolate)->Int32Value());
   }
   isolate->Dispose();
 }