Remove unnecessary full-subtree layouts for filtered SVG containers

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

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGContainer.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGContainer.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGContainer.cpp
index 93b8116375fcfa49429f2c9339baf9c0f80fc50f..e273b6cdc71c1c2948ee9d0a6d41e60f43593264 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGContainer.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGContainer.cpp
@@ -66,11 +66,7 @@ void LayoutSVGContainer::layout()
     bool layoutSizeChanged = element()->hasRelativeLengths()
         && SVGLayoutSupport::layoutSizeOfNearestViewportChanged(this);
 
-    // If any of this container's children need to be laid out, and a filter is
-    // applied to the container, we need to issue paint invalidations for all
-    // the descendants.
-    bool forceLayoutOfChildren = selfNeedsLayout()
-        || (normalChildNeedsLayout() && SVGLayoutSupport::hasFilterResource(*this));
+    bool forceLayoutOfChildren = selfNeedsLayout();
     SVGLayoutSupport::layoutChildren(firstChild(), forceLayoutOfChildren, m_didScreenScaleFactorChange, layoutSizeChanged);
 
     // Invalidate all resources of this client if our layout changed.