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

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index ce2ca45f8752fb756c7fe3e424985011ba0c07e0..487754cc0ff91168eb59b931bf8706acd8c769d2 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1199,7 +1199,8 @@ unsigned Internals::touchEventHandlerCount(Document* document)
 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());
@@ -1592,14 +1593,16 @@ String Internals::elementLayerTreeAsText(Element* element, unsigned flags, Excep
     }
 
     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