Prevent markContainerChainForLayout to scheduleRelayout() if isInPerformLayout()

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 785 matching lines @@
             if (object == layouter->root())
                 return;
         }
 
         last = object;
         if (scheduleRelayout && objectIsRelayoutBoundary(last))
             break;
         object = container;
     }
 
-    if (scheduleRelayout)
+    if (scheduleRelayout && !frameView()->isInPerformLayout())

[leviw_travelin_and_unemployed, 2016/04/22 17:24:33]

This is probably worthy of a comment.

         last->scheduleRelayout();
 }
 
 #if ENABLE(ASSERT)
 void LayoutObject::checkBlockPositionedObjectsNeedLayout()
 {
     ASSERT(!needsLayout());
 
     if (isLayoutBlock())
         toLayoutBlock(this)->checkPositionedObjectsNeedLayout();
@@ skipping 2868 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif