Increment style version for all style changes.

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 770 matching lines @@
     HTMLScriptElement* currentScript() const { return !m_currentScriptStack.isEmpty() ? m_currentScriptStack.last().get() : nullptr; }
     void pushCurrentScript(PassRefPtrWillBeRawPtr<HTMLScriptElement>);
     void popCurrentScript();
 
     void setTransformSource(PassOwnPtr<TransformSource>);
     TransformSource* transformSource() const { return m_transformSource.get(); }
 
     void incDOMTreeVersion() { ASSERT(m_lifecycle.stateAllowsTreeMutations()); m_domTreeVersion = ++s_globalTreeVersion; }
     uint64_t domTreeVersion() const { return m_domTreeVersion; }
 
-    void incStyleVersion() { ++m_styleVersion; }
     uint64_t styleVersion() const { return m_styleVersion; }
 
     enum PendingSheetLayout { NoLayoutWithPendingSheets, DidLayoutWithPendingSheets, IgnoreLayoutWithPendingSheets };
 
     bool didLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == DidLayoutWithPendingSheets; }
     bool ignoreLayoutWithPendingStylesheets() const { return m_pendingSheetLayout == IgnoreLayoutWithPendingSheets; }
 
     bool hasNodesWithPlaceholderStyle() const { return m_hasNodesWithPlaceholderStyle; }
     void setHasNodesWithPlaceholderStyle() { m_hasNodesWithPlaceholderStyle = true; }
 
@@ skipping 632 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h