SVG Image intrinsic size should be used if css style size is 'auto'

third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp
index f22a57e7eb8600506ff1de705e6f3c6669c5b0c2..2622abd84fe5ff3de946f4d8ec752c1aace9ca43 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGForeignObject.cpp
@@ -94,8 +94,8 @@ void LayoutSVGForeignObject::layout()
         lengthContext.valueForLength(styleRef().svgStyle().x(), styleRef(), SVGLengthMode::Width),
         lengthContext.valueForLength(styleRef().svgStyle().y(), styleRef(), SVGLengthMode::Height));
     m_viewport = FloatRect(viewportLocation, FloatSize(
-        lengthContext.valueForLength(styleRef().width(), styleRef(), SVGLengthMode::Width),
-        lengthContext.valueForLength(styleRef().height(), styleRef(), SVGLengthMode::Height)));
+        styleRef().width().isAuto() ? foreign->width()->currentValue()->value(lengthContext) : lengthContext.valueForLength(styleRef().width(), styleRef(), SVGLengthMode::Width),

[fs, 2016/08/10 18:01:34]

I guess 'auto' here would mean some form of shrink-wrap or adapting to whatever
is within the fO. I'd suggest to leave it alone for now though.

[Shanmuga Pandi, 2016/08/11 05:54:20]

Acknowledged.

+        styleRef().height().isAuto() ? foreign->height()->currentValue()->value(lengthContext) : lengthContext.valueForLength(styleRef().height(), styleRef(), SVGLengthMode::Height)));
     if (!updateCachedBoundariesInParents)
         updateCachedBoundariesInParents = oldViewport != m_viewport;