FrameView: Remove redundant tree walk when unthrottling display:none frames

third_party/WebKit/Source/core/frame/FrameView.h

Index: third_party/WebKit/Source/core/frame/FrameView.h
diff --git a/third_party/WebKit/Source/core/frame/FrameView.h b/third_party/WebKit/Source/core/frame/FrameView.h
index 924c780768be24a3084d76d12e53be351ce24ebf..736428103814322f52da85e792529c2cb975d09a 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.h
+++ b/third_party/WebKit/Source/core/frame/FrameView.h
@@ -1028,9 +1028,17 @@ class CORE_EXPORT FrameView final
 
   void updateViewportIntersectionsForSubtree(
       DocumentLifecycle::LifecycleState targetState);
-  void updateRenderThrottlingStatus(bool hidden,
-                                    bool subtreeThrottled,
-                                    bool forceThrottlingInvalidation = false);
+
+  enum ForceThrottlingInvalidationBehavior {
+    DontForceThrottlingInvalidation,
+    ForceThrottlingInvalidation
+  };
+  enum NotifyChildrenBehavior { DontNotifyChildren, NotifyChildren };
+  void updateRenderThrottlingStatus(
+      bool hidden,
+      bool subtreeThrottled,
+      ForceThrottlingInvalidationBehavior = DontForceThrottlingInvalidation,
+      NotifyChildrenBehavior = NotifyChildren);
   void notifyResizeObservers();
 
   // PaintInvalidationCapableScrollableArea