[SVGDom/experimental] Initial SVGLength support

experimental/svg/model/SkSVGAttribute.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSVGAttribute.h"
 #include "SkSVGRenderContext.h"
 
 SkSVGPresentationAttributes::SkSVGPresentationAttributes()
     : fFillIsSet(false)
     , fStrokeIsSet(false) { }
 
-void SkSVGPresentationAttributes::setFill(SkColor c) {
+void SkSVGPresentationAttributes::setFill(const SkSVGColor& c) {
     fFill = c;
     fFillIsSet = true;
 }
 
-void SkSVGPresentationAttributes::setStroke(SkColor c) {
+void SkSVGPresentationAttributes::setStroke(const SkSVGColor& c) {
     fStroke = c;
     fStrokeIsSet = true;
 }
 
 
 void SkSVGPresentationAttributes::applyTo(SkTCopyOnFirstWrite<SkSVGRenderContext>& ctx) const {
     if (fFillIsSet) {
         ctx.writable()->setFillColor(fFill);
     }
 
     if (fStrokeIsSet) {
         ctx.writable()->setStrokeColor(fStroke);
     }
 }