Empty SVG viewbox should be treated invalid

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

Index: third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp b/third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp
index 5bef19eccb81e09dd67be87104abf3417fd24626..cf7628a84843a237f1b5a769c0b939b40d030775 100644
--- a/third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGFitToViewBox.cpp
@@ -49,6 +49,12 @@ protected:
 
 SVGParsingError SVGAnimatedViewBoxRect::setBaseValueAsString(const String& value)
 {
+    // Empty string should be treated as invalid viewBox
+    if (value.isEmpty()) {

[fs, 2016/06/03 08:58:03]

Should probably fix this down in SVGRect instead.

[Shanmuga Pandi, 2016/06/03 10:20:53]

Done.

+        baseValue()->setInvalid();
+        return SVGParseStatus::NoError;
+    }
+
     SVGParsingError parseStatus = SVGAnimatedRect::setBaseValueAsString(value);
 
     if (parseStatus == SVGParseStatus::NoError && (baseValue()->width() < 0 || baseValue()->height() < 0)) {