Fix under-invalidation on SVG shape/image resize in subpixels

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

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGImage.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGImage.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGImage.cpp
index 8e1c323fb74e571ab5ba567be66f959701923e2f..864ae5b83e1799378b83f349152290e3f8885597 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGImage.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGImage.cpp
@@ -108,6 +108,9 @@ bool LayoutSVGImage::updateBoundingBox() {
   if (element())
     element()->setNeedsResizeObserverUpdate();
 
+  if (oldBoundaries != m_objectBoundingBox)

[pdr., 2016/10/31 20:49:05]

Can we use m_needsBoundariesUpdate here?

[Xianzhu, 2016/10/31 22:10:30]

It may be true before this check.

Combined the two checks into one 'if'.

+    setShouldDoFullPaintInvalidation();
+
   return oldBoundaries.size() != m_objectBoundingBox.size();
 }