Moved applyRuleSetChanges functions to StyleEngine.

third_party/WebKit/Source/core/dom/StyleEngine.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)
@@ skipping 15 matching lines @@
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleEngine_h
 #define StyleEngine_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/TraceWrapperMember.h"
 #include "core/CoreExport.h"
+#include "core/css/ActiveStyleSheets.h"
 #include "core/css/CSSFontSelectorClient.h"
 #include "core/css/CSSGlobalRuleSet.h"
 #include "core/css/invalidation/StyleInvalidator.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverStats.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentOrderedList.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/StyleEngineContext.h"
 #include "platform/heap/Handle.h"
@@ skipping 194 matching lines @@
                                         const HeapVector<Member<RuleSet>>&);
 
   unsigned styleForElementCount() const { return m_styleForElementCount; }
   void incStyleForElementCount() { m_styleForElementCount++; }
 
   StyleResolverStats* stats() { return m_styleResolverStats.get(); }
   void setStatsEnabled(bool);
 
   PassRefPtr<ComputedStyle> findSharedStyle(const ElementResolveContext&);
 
+  void applyRuleSetChanges(TreeScope&,
+                           const ActiveStyleSheetVector& oldStyleSheets,
+                           const ActiveStyleSheetVector& newStyleSheets);
+
   DECLARE_VIRTUAL_TRACE();
   DECLARE_TRACE_WRAPPERS();
 
  private:
   // CSSFontSelectorClient implementation.
   void fontsNeedUpdate(CSSFontSelector*) override;
 
  private:
   StyleEngine(Document&);
 
@@ skipping 94 matching lines @@
 
   std::unique_ptr<StyleResolverStats> m_styleResolverStats;
   unsigned m_styleForElementCount = 0;
 
   friend class StyleEngineTest;
 };
 
 }  // namespace blink
 
 #endif