Set relayoutChildren to 'true' only if size change happens in Table

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1181 matching lines @@
 
 unsigned Internals::touchEventHandlerCount(Document* document)
 {
     ASSERT(document);
     return eventHandlerCount(*document, EventHandlerRegistry::TouchEvent);
 }
 
 static RenderLayer* findRenderLayerForGraphicsLayer(RenderLayer* searchRoot, GraphicsLayer* graphicsLayer, IntSize* layerOffset, String* layerType)
 {
     *layerOffset = IntSize();
-    if (searchRoot->hasCompositedLayerMapping() && graphicsLayer == searchRoot->compositedLayerMapping()->mainGraphicsLayer()) {
+
+    if (searchRoot->compositedLayerMapping() && graphicsLayer == searchRoot->compositedLayerMapping()->mainGraphicsLayer()) {
         LayoutRect rect;
         RenderLayer::mapRectToPaintBackingCoordinates(searchRoot->renderer(), rect);
         *layerOffset = IntSize(rect.x(), rect.y());
         return searchRoot;
     }
 
     GraphicsLayer* layerForScrolling = searchRoot->scrollableArea() ? searchRoot->scrollableArea()->layerForScrolling() : 0;
     if (graphicsLayer == layerForScrolling) {
         *layerType = "scrolling";
         return searchRoot;
@@ skipping 372 matching lines @@
     ASSERT(element);
     element->document().updateLayout();
 
     RenderObject* renderer = element->renderer();
     if (!renderer || !renderer->isBox()) {
         exceptionState.throwDOMException(InvalidAccessError, renderer ? "The provided element's renderer is not a box." : "The provided element has no renderer.");
         return String();
     }
 
     RenderLayer* layer = toRenderBox(renderer)->layer();
-    if (!layer
-        || !layer->hasCompositedLayerMapping()
-        || !layer->compositedLayerMapping()->mainGraphicsLayer()) {
+    if (!layer)
+        return String();
+
+    CompositedLayerMapping* compositedLayerMapping = layer->compositedLayerMapping();
+    if (!compositedLayerMapping || !compositedLayerMapping->mainGraphicsLayer()) {
         // Don't raise exception in these cases which may be normally used in tests.
         return String();
     }
 
-    return layer->compositedLayerMapping()->mainGraphicsLayer()->layerTreeAsText(flags);
+    return compositedLayerMapping->mainGraphicsLayer()->layerTreeAsText(flags);
 }
 
 String Internals::scrollingStateTreeAsText(Document*) const
 {
     return String();
 }
 
 String Internals::mainThreadScrollingReasons(Document* document, ExceptionState& exceptionState) const
 {
     ASSERT(document);
@@ skipping 736 matching lines @@
     }
     toHTMLPlugInElement(element)->setPlaceholder(DictionaryPluginPlaceholder::create(element->document(), options));
 }
 
 Iterator* Internals::iterator(ScriptState* scriptState, ExceptionState& exceptionState)
 {
     return new InternalsIterator;
 }
 
 } // namespace blink