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

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

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.cpp
index 266baa1a00c48b4f8aab03fb8e9124c762c500c4..012b4313806e82a1535f271e12871196e012402b 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGShape.cpp
@@ -184,7 +184,10 @@ void LayoutSVGShape::layout() {
   // feeds into the paint invalidation rect - so we need to call it for both
   // the shape-update and the bounds-update flag, since .
   if (m_needsShapeUpdate || m_needsBoundariesUpdate) {
+    FloatRect oldObjectBoundingBox = objectBoundingBox();
     updateShapeFromElement();
+    if (oldObjectBoundingBox != objectBoundingBox())
+      setShouldDoFullPaintInvalidation();
     m_needsShapeUpdate = false;
 
     m_paintInvalidationBoundingBox = strokeBoundingBox();