Remove custom style building for font-variant-ligatures.

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * 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/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 884 matching lines @@
     }
 }
 
 void StyleBuilderFunctions::applyValueCSSPropertyWebkitFilter(StyleResolverState& state, CSSValue* value)
 {
     FilterOperations operations;
     if (FilterOperationResolver::createFilterOperations(value, state.cssToLengthConversionData(), operations, state))
         state.style()->setFilter(operations);
 }
 
-void StyleBuilderFunctions::applyInitialCSSPropertyFontVariantLigatures(StyleResolverState& state)
-{
-    state.fontBuilder().setFontVariantLigaturesInitial();
-}
-
-void StyleBuilderFunctions::applyInheritCSSPropertyFontVariantLigatures(StyleResolverState& state)
-{
-    state.fontBuilder().setFontVariantLigaturesInherit(state.parentFontDescription());
-}
-
-void StyleBuilderFunctions::applyValueCSSPropertyFontVariantLigatures(StyleResolverState& state, CSSValue* value)
-{
-    state.fontBuilder().setFontVariantLigaturesValue(value);
-}
-
 void StyleBuilderFunctions::applyValueCSSPropertyInternalMarqueeIncrement(StyleResolverState& state, CSSValue* value)
 {
     if (!value->isPrimitiveValue())
         return;
 
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue->getValueID()) {
         switch (primitiveValue->getValueID()) {
         case CSSValueSmall:
             state.style()->setMarqueeIncrement(Length(1, Fixed)); // 1px.
@@ skipping 483 matching lines @@
         break;
     default:
         ASSERT_NOT_REACHED();
         break;
     }
 
     state.style()->setGridAutoFlow(autoFlow);
 }
 
 } // namespace blink