Reduce LayoutSVGResource*Gradient building dependency on GradientData

third_party/WebKit/Source/core/svg/SVGGradientElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGGradientElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGGradientElement.cpp b/third_party/WebKit/Source/core/svg/SVGGradientElement.cpp
index c91eac607f58feb062cc4fd0c08b3f66b3f08afb..30eaaaa17ce3fb3d6585d30007a7955527a63414 100644
--- a/third_party/WebKit/Source/core/svg/SVGGradientElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGGradientElement.cpp
@@ -96,15 +96,14 @@ Vector<Gradient::ColorStop> SVGGradientElement::buildStops()
     Vector<Gradient::ColorStop> stops;
 
     float previousOffset = 0.0f;
-    for (SVGStopElement* stop = Traversal<SVGStopElement>::firstChild(*this); stop; stop = Traversal<SVGStopElement>::nextSibling(*stop)) {
-        // Figure out right monotonic offset
-        float offset = stop->offset()->currentValue()->value();
+    for (const SVGStopElement& stop : Traversal<SVGStopElement>::childrenOf(*this)) {
+        // Figure out right monotonic offset.
+        float offset = stop.offset()->currentValue()->value();
         offset = std::min(std::max(previousOffset, offset), 1.0f);
         previousOffset = offset;
 
-        stops.append(Gradient::ColorStop(offset, stop->stopColorIncludingOpacity()));
+        stops.append(Gradient::ColorStop(offset, stop.stopColorIncludingOpacity()));
     }
-
     return stops;
 }