Make HeapObjectHeader::checkHeader private.

third_party/WebKit/Source/platform/heap/GCInfo.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/heap/GCInfo.h"
 
 #include "platform/heap/Handle.h"
 #include "platform/heap/Heap.h"
 
 namespace blink {
@@ skipping 46 matching lines @@
   s_gcInfoTableSize = newSize;
 }
 
 void GCInfoTable::init() {
   RELEASE_ASSERT(!s_gcInfoTable);
   resize();
 }
 
 #if DCHECK_IS_ON()
 void assertObjectHasGCInfo(const void* payload, size_t gcInfoIndex) {
-  HeapObjectHeader::fromPayload(payload)->checkHeader();
+  HeapObjectHeader::checkFromPayload(payload);
 #if !defined(COMPONENT_BUILD)
   // On component builds we cannot compare the gcInfos as they are statically
   // defined in each of the components and hence will not match.
   ASSERT(HeapObjectHeader::fromPayload(payload)->gcInfoIndex() == gcInfoIndex);
 #endif
 }
 #endif
 
 }  // namespace blink