Move background related shorthands into CSSPropertyParser

third_party/WebKit/Source/core/css/resolver/CSSToStyleMap.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 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.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 204 matching lines @@
         return;
     }
 
     if (!value.isPrimitiveValue() && !value.isValuePair())
         return;
 
     Length length;
     if (value.isValuePair())
         length = toCSSPrimitiveValue(toCSSValuePair(value).second()).convertToLength(state.cssToLengthConversionData());
     else
-        length = toCSSPrimitiveValue(value).convertToLength(state.cssToLengthConversionData());
+        length = StyleBuilderConverter::convertPositionLength<CSSValueLeft, CSSValueRight>(state, toCSSPrimitiveValue(value));
 
     layer->setXPosition(length);
     if (value.isValuePair())
         layer->setBackgroundXOrigin(toCSSPrimitiveValue(toCSSValuePair(value).first()).convertTo<BackgroundEdgeOrigin>());
 }
 
 void CSSToStyleMap::mapFillYPosition(StyleResolverState& state, FillLayer* layer, const CSSValue& value)
 {
     if (value.isInitialValue()) {
         layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
         return;
     }
 
     if (!value.isPrimitiveValue() && !value.isValuePair())
         return;
 
     Length length;
     if (value.isValuePair())
         length = toCSSPrimitiveValue(toCSSValuePair(value).second()).convertToLength(state.cssToLengthConversionData());
     else
-        length = toCSSPrimitiveValue(value).convertToLength(state.cssToLengthConversionData());
+        length = StyleBuilderConverter::convertPositionLength<CSSValueTop, CSSValueBottom>(state, toCSSPrimitiveValue(value));
 
     layer->setYPosition(length);
     if (value.isValuePair())
         layer->setBackgroundYOrigin(toCSSPrimitiveValue(toCSSValuePair(value).first()).convertTo<BackgroundEdgeOrigin>());
 }
 
 void CSSToStyleMap::mapFillMaskSourceType(StyleResolverState&, FillLayer* layer, const CSSValue& value)
 {
     EMaskSourceType type = FillLayer::initialFillMaskSourceType(layer->type());
     if (value.isInitialValue()) {
@@ skipping 318 matching lines @@
         verticalRule = SpaceImageRule;
         break;
     default: // CSSValueRepeat
         verticalRule = RepeatImageRule;
         break;
     }
     image.setVerticalRule(verticalRule);
 }
 
 } // namespace blink