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

Source/core/rendering/compositing/GraphicsLayerUpdater.cpp

Index: Source/core/rendering/compositing/GraphicsLayerUpdater.cpp
diff --git a/Source/core/rendering/compositing/GraphicsLayerUpdater.cpp b/Source/core/rendering/compositing/GraphicsLayerUpdater.cpp
index 709fe4a72261e44aa66b59ea12edc75fbffd9cd6..a089e1f0fd095e4bc11676ece65c699a33f02294 100644
--- a/Source/core/rendering/compositing/GraphicsLayerUpdater.cpp
+++ b/Source/core/rendering/compositing/GraphicsLayerUpdater.cpp
@@ -90,23 +90,21 @@ void GraphicsLayerUpdater::update(RenderLayer& layer, Vector<RenderLayer*>& laye
 
 void GraphicsLayerUpdater::updateRecursive(RenderLayer& layer, UpdateType updateType, const UpdateContext& context, Vector<RenderLayer*>& layersNeedingPaintInvalidation)
 {
-    if (layer.hasCompositedLayerMapping()) {
-        CompositedLayerMapping* mapping = layer.compositedLayerMapping();
-
-        if (updateType == ForceUpdate || mapping->needsGraphicsLayerUpdate()) {
+    if (CompositedLayerMapping* compositedLayerMapping = layer.compositedLayerMapping()) {
+        if (updateType == ForceUpdate || compositedLayerMapping->needsGraphicsLayerUpdate()) {
             const RenderLayer* compositingContainer = context.compositingContainer(layer);
             ASSERT(compositingContainer == layer.enclosingLayerWithCompositedLayerMapping(ExcludeSelf));
 
-            if (mapping->updateGraphicsLayerConfiguration())
+            if (compositedLayerMapping->updateGraphicsLayerConfiguration())
                 m_needsRebuildTree = true;
 
-            mapping->updateGraphicsLayerGeometry(compositingContainer, context.compositingStackingContext(), layersNeedingPaintInvalidation);
+            compositedLayerMapping->updateGraphicsLayerGeometry(compositingContainer, context.compositingStackingContext(), layersNeedingPaintInvalidation);
 
-            if (mapping->hasUnpositionedOverflowControlsLayers())
+            if (compositedLayerMapping->hasUnpositionedOverflowControlsLayers())
                 layer.scrollableArea()->positionOverflowControls(IntSize());
 
-            updateType = mapping->updateTypeForChildren(updateType);
-            mapping->clearNeedsGraphicsLayerUpdate();
+            updateType = compositedLayerMapping->updateTypeForChildren(updateType);
+            compositedLayerMapping->clearNeedsGraphicsLayerUpdate();
         }
     }
 
@@ -119,8 +117,8 @@ void GraphicsLayerUpdater::updateRecursive(RenderLayer& layer, UpdateType update
 
 void GraphicsLayerUpdater::assertNeedsToUpdateGraphicsLayerBitsCleared(RenderLayer& layer)
 {
-    if (layer.hasCompositedLayerMapping())
-        layer.compositedLayerMapping()->assertNeedsToUpdateGraphicsLayerBitsCleared();
+    if (CompositedLayerMapping* compositedLayerMapping = layer.compositedLayerMapping())
+        compositedLayerMapping->assertNeedsToUpdateGraphicsLayerBitsCleared();
 
     for (RenderLayer* child = layer.firstChild(); child; child = child->nextSibling())
         assertNeedsToUpdateGraphicsLayerBitsCleared(*child);