Make ComputedStyleBase a templated class to allow it to use functions on ComputedStyle

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 677 matching lines @@
     state.SetStyle(ComputedStyle::Clone(*base_computed_style));
     if (!state.ParentStyle()) {
       state.SetParentStyle(InitialStyleForElement());
       state.SetLayoutParentStyle(state.ParentStyle());
     }
   } else {
     if (state.ParentStyle()) {
       RefPtr<ComputedStyle> style = ComputedStyle::Create();
       style->InheritFrom(*state.ParentStyle(),
                          IsAtShadowBoundary(element)
-                             ? ComputedStyleBase::kAtShadowBoundary
-                             : ComputedStyleBase::kNotAtShadowBoundary);
+                             ? ComputedStyle::kAtShadowBoundary
+                             : ComputedStyle::kNotAtShadowBoundary);
       state.SetStyle(std::move(style));
     } else {
       state.SetStyle(InitialStyleForElement());
       state.SetParentStyle(ComputedStyle::Clone(*state.Style()));
       state.SetLayoutParentStyle(state.ParentStyle());
     }
   }
 
   // contenteditable attribute (implemented by -webkit-user-modify) should
   // be propagated from shadow host to distributed node.
@@ skipping 1324 matching lines @@
 
 DEFINE_TRACE(StyleResolver) {
   visitor->Trace(matched_properties_cache_);
   visitor->Trace(selector_filter_);
   visitor->Trace(style_sharing_lists_);
   visitor->Trace(document_);
   visitor->Trace(tracker_);
 }
 
 }  // namespace blink