Don't check 'visibility' in LayoutSVGResourceMasker

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

Index: third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp b/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
index 68e53aa320edce2fb1537b220e743badb47b7d1a..54da89b6fe19e755b59d29f9dc1d09bf2a215a01 100644
--- a/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceMasker.cpp
@@ -85,17 +85,11 @@ sk_sp<const SkPicture> LayoutSVGResourceMasker::createContentPicture(
           : ColorFilterNone;
   pictureBuilder.context().setColorFilter(maskContentFilter);
 
-  for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element());
-       childElement;
-       childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
-    LayoutObject* layoutObject = childElement->layoutObject();
-    if (!layoutObject)
+  for (const SVGElement& childElement :
+       Traversal<SVGElement>::childrenOf(*element())) {
+    const LayoutObject* layoutObject = childElement.layoutObject();
+    if (!layoutObject || layoutObject->styleRef().display() == EDisplay::None)
       continue;
-    const ComputedStyle* style = layoutObject->style();
-    if (!style || style->display() == EDisplay::None ||
-        style->visibility() != EVisibility::Visible)
-      continue;
-
     SVGPaintContext::paintSubtree(pictureBuilder.context(), layoutObject);
   }
 
@@ -104,15 +98,10 @@ sk_sp<const SkPicture> LayoutSVGResourceMasker::createContentPicture(
 }
 
 void LayoutSVGResourceMasker::calculateMaskContentVisualRect() {
-  for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element());
-       childElement;
-       childElement = Traversal<SVGElement>::nextSibling(*childElement)) {
-    LayoutObject* layoutObject = childElement->layoutObject();
-    if (!layoutObject)
-      continue;
-    const ComputedStyle* style = layoutObject->style();
-    if (!style || style->display() == EDisplay::None ||
-        style->visibility() != EVisibility::Visible)
+  for (const SVGElement& childElement :
+       Traversal<SVGElement>::childrenOf(*element())) {
+    const LayoutObject* layoutObject = childElement.layoutObject();
+    if (!layoutObject || layoutObject->styleRef().display() == EDisplay::None)
       continue;
     m_maskContentBoundaries.unite(
         layoutObject->localToSVGParentTransform().mapRect(