Fixed lint errors caused by "runtime/references" rule and the rule itself is restored.

src/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_H_
 #define V8_HEAP_H_
 
 #include <cmath>
 
 #include "src/allocation.h"
@@ skipping 2694 matching lines @@
     uintptr_t map_word = object->map_word().ToRawValue();
     return MapWord::FromRawValue(map_word | kNotMarkedBit).ToMap();
   }
 
   static int SizeOfMarkedObject(HeapObject* object) {
     return object->SizeFromMap(MapOfMarkedObject(object));
   }
 
  private:
   static const uintptr_t kNotMarkedBit = 0x1;
-  STATIC_ASSERT((kHeapObjectTag & kNotMarkedBit) != 0);
+  STATIC_ASSERT((kHeapObjectTag & kNotMarkedBit) != 0);  // NOLINT
 };
 
 
 #ifdef DEBUG
 // Helper class for tracing paths to a search target Object from all roots.
 // The TracePathFrom() method can be used to trace paths from a specific
 // object to the search target object.
 class PathTracer : public ObjectVisitor {
  public:
   enum WhatToFind {
@@ skipping 45 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_