Support arbitrary length units for the z component of CSS property "translate"

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

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 893 matching lines @@
 PassRefPtr<TranslateTransformOperation> StyleBuilderConverter::convertTranslate(StyleResolverState& state, const CSSValue& value)
 {
     const CSSValueList& list = toCSSValueList(value);
     ASSERT(list.length() <= 3);
     Length tx = convertLength(state, *list.item(0));
     Length ty(0, Fixed);
     double tz = 0;
     if (list.length() >= 2)
         ty = convertLength(state, *list.item(1));
     if (list.length() == 3)
-        tz = toCSSPrimitiveValue(list.item(2))->getDoubleValue();
+        tz = toCSSPrimitiveValue(list.item(2))->computeLength<double>(state.cssToLengthConversionData());
 
     return TranslateTransformOperation::create(tx, ty, tz, TransformOperation::Translate3D);
 }
 
 PassRefPtr<RotateTransformOperation> StyleBuilderConverter::convertRotate(StyleResolverState& state, const CSSValue& value)
 {
     const CSSValueList& list = toCSSValueList(value);
     ASSERT(list.length() == 1 || list.length() == 4);
     double angle = toCSSPrimitiveValue(list.item(0))->computeDegrees();
     double x = 0;
@@ skipping 28 matching lines @@
     const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
     return primitiveValue.getValueID() == CSSValueFromImage ? RespectImageOrientation : DoNotRespectImageOrientation;
 }
 
 PassRefPtr<StylePath> StyleBuilderConverter::convertPath(StyleResolverState&, CSSValue& value)
 {
     return toCSSPathValue(value).cachedPath();
 }
 
 } // namespace blink