Fix up that no render SVG shape when change clip-path to visible after hidden.

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

Index: third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp
diff --git a/third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp b/third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp
index 5422c57f26f73dbef20bcc70007e23e968304288..55462d247fe2b8277fae2bf12ce21289221a5835 100644
--- a/third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp
+++ b/third_party/WebKit/Source/core/layout/svg/SVGResourcesCache.cpp
@@ -101,6 +101,17 @@ static inline bool layoutObjectCanHaveResources(LayoutObject* layoutObject) {
          !layoutObject->isSVGInlineText();
 }
 
+static inline bool isLayoutObjectOfResourceContainer(LayoutObject* layoutObject) {
+  LayoutObject* current = layoutObject;
+  while (current) {
+    if (current->isSVGResourceContainer()) {
+      return true;
+    }
+    current = current->parent();
+  }
+  return false;
+}
+
 void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject,
                                            StyleDifference diff,
                                            const ComputedStyle& newStyle) {
@@ -128,8 +139,11 @@ void SVGResourcesCache::clientStyleChanged(LayoutObject* layoutObject,
     cache.addResourcesFromLayoutObject(layoutObject, newStyle);
   }
 
+  bool needsLayout = diff.needsPaintInvalidation() &&

[fs, 2017/02/20 09:07:43]

It would be good to add a comment here to describe what we're trying to catch
here by doing this.

[hyunjunekim2, 2017/03/13 10:40:11]

Done. Added a comment. Could you check it? Thank you.

+                     isLayoutObjectOfResourceContainer(layoutObject);
+
   LayoutSVGResourceContainer::markForLayoutAndParentResourceInvalidation(
-      layoutObject, false);
+      layoutObject, needsLayout);
 }
 
 void SVGResourcesCache::clientWasAddedToTree(LayoutObject* layoutObject,