[SVGDom] Add <circle>, <ellipse> support

R=robertphillips@google.com,stephana@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2249033003

Review-Url: https://codereview.chromium.org/2249033003
diff --git a/gyp/svg.gyp b/gyp/svg.gyp
index 50e4dbe..0006903 100644
--- a/gyp/svg.gyp
+++ b/gyp/svg.gyp
@@ -48,10 +48,14 @@
         '../experimental/svg/model/SkSVGAttribute.cpp',
         '../experimental/svg/model/SkSVGAttributeParser.h',
         '../experimental/svg/model/SkSVGAttributeParser.cpp',
+        '../experimental/svg/model/SkSVGCircle.h',
+        '../experimental/svg/model/SkSVGCircle.cpp',
         '../experimental/svg/model/SkSVGContainer.h',
         '../experimental/svg/model/SkSVGContainer.cpp',
         '../experimental/svg/model/SkSVGDOM.h',
         '../experimental/svg/model/SkSVGDOM.cpp',
+        '../experimental/svg/model/SkSVGEllipse.h',
+        '../experimental/svg/model/SkSVGEllipse.cpp',
         '../experimental/svg/model/SkSVGG.h',
         '../experimental/svg/model/SkSVGNode.h',
         '../experimental/svg/model/SkSVGNode.cpp',