Remove more oilpan.

sky/engine/core/editing/EditingStyle.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Computer, Inc.
  * Copyright (C) 2010, 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 132 matching lines @@
 }
 
 static PassRefPtr<MutableStylePropertySet> getPropertiesNotIn(StylePropertySet* styleWithRedundantProperties, CSSStyleDeclaration* baseStyle);
 enum LegacyFontSizeMode { AlwaysUseLegacyFontSize, UseLegacyFontSizeOnlyIfPixelValuesMatch };
 static int legacyFontSizeFromCSSValue(Document*, CSSPrimitiveValue*, FixedPitchFontType, LegacyFontSizeMode);
 static bool isTransparentColorValue(CSSValue*);
 static bool hasTransparentBackgroundColor(CSSStyleDeclaration*);
 static bool hasTransparentBackgroundColor(StylePropertySet*);
 static PassRefPtr<CSSValue> backgroundColorInEffect(Node*);
 
-class HTMLElementEquivalent : public DummyBase<HTMLElementEquivalent> {
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
+class HTMLElementEquivalent {
+    WTF_MAKE_FAST_ALLOCATED;
     DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(HTMLElementEquivalent);
 public:
     static PassOwnPtr<HTMLElementEquivalent> create(CSSPropertyID propertyID, CSSValueID primitiveValue, const HTMLQualifiedName& tagName)
     {
         return adoptPtr(new HTMLElementEquivalent(propertyID, primitiveValue, tagName));
     }
 
     virtual bool matches(const Element* element) const { return !m_tagName || element->hasTagName(*m_tagName); }
     virtual bool hasAttribute() const { return false; }
     virtual bool propertyExistsInStyle(const StylePropertySet* style) const { return style->getPropertyCSSValue(m_propertyID); }
@@ skipping 1382 matching lines @@
 {
     for (Node* ancestor = node; ancestor; ancestor = ancestor->parentNode()) {
         RefPtr<CSSComputedStyleDeclaration> ancestorStyle = CSSComputedStyleDeclaration::create(ancestor);
         if (!hasTransparentBackgroundColor(ancestorStyle.get()))
             return ancestorStyle->getPropertyCSSValue(CSSPropertyBackgroundColor);
     }
     return nullptr;
 }
 
 }