[ic] [stubs] Remove InlineCacheState field from the code flags.

test/cctest/heap/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 5225 matching lines @@
     } else if (kind == Code::KEYED_LOAD_IC) {
       KeyedLoadICNexus nexus(vector, slot);
       CHECK_EQ(nexus.StateFromFeedback(), state);
     } else if (kind == Code::CALL_IC) {
       CallICNexus nexus(vector, slot);
       CHECK_EQ(nexus.StateFromFeedback(), state);
     }
   } else {
     Code* ic = FindFirstIC(function->code(), kind);
     CHECK(ic->is_inline_cache_stub());
-    CHECK(ic->ic_state() == state);
+    CHECK(!IC::ICUseVector(kind));
+    CHECK_EQ(state, IC::StateFromCode(ic));
   }
 }
 
 
 TEST(MonomorphicStaysMonomorphicAfterGC) {
   if (FLAG_always_opt) return;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   v8::HandleScope scope(CcTest::isolate());
@@ skipping 1498 matching lines @@
   CHECK(marking->IsComplete());
   intptr_t size_before = heap->SizeOfObjects();
   CcTest::heap()->CollectAllGarbage();
   intptr_t size_after = heap->SizeOfObjects();
   // Live size does not increase after garbage collection.
   CHECK_LE(size_after, size_before);
 }
 
 }  // namespace internal
 }  // namespace v8