Make CSSToStyleMap static.

Source/core/css/resolver/AnimatedStyleBuilder.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 118 matching lines @@
 }
 
 LengthSize animatableValueToLengthSize(const AnimatableValue* value, const StyleResolverState& state, ValueRange range)
 {
     const AnimatableLengthSize* animatableLengthSize = toAnimatableLengthSize(value);
     return LengthSize(
         animatableValueToLength(animatableLengthSize->width(), state, range),
         animatableValueToLength(animatableLengthSize->height(), state, range));
 }
 
-void setFillSize(FillLayer* fillLayer, const AnimatableValue* value, const StyleResolverState& state)
+void setFillSize(FillLayer* fillLayer, const AnimatableValue* value, StyleResolverState& state)
 {
     if (value->isLengthSize())
         fillLayer->setSize(FillSize(SizeLength, animatableValueToLengthSize(value, state, ValueRangeNonNegative)));
     else
-        state.styleMap().mapFillSize(fillLayer, toAnimatableUnknown(value)->toCSSValue().get());
+        CSSToStyleMap::mapFillSize(state, fillLayer, toAnimatableUnknown(value)->toCSSValue().get());
 }
 
 PassRefPtrWillBeRawPtr<SVGLength> animatableValueToNonNegativeSVGLength(const AnimatableValue* value)
 {
     RefPtrWillBeRawPtr<SVGLength> length = toAnimatableSVGLength(value)->toSVGLength();
     if (length->valueInSpecifiedUnits() < 0)
         length->setValueInSpecifiedUnits(0);
     return length.release();
 }
 
@@ skipping 466 matching lines @@
         return;
     case CSSPropertyZoom:
         style->setZoom(clampTo<float>(toAnimatableDouble(value)->toDouble(), std::numeric_limits<float>::denorm_min()));
         return;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink