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

Source/core/frame/FrameView.cpp

Index: Source/core/frame/FrameView.cpp
diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
index aa145563f8de56b976758b8823ddee1cd60010d3..07a5ca8c15640b678e6aa2542b63d4c599dac680 100644
--- a/Source/core/frame/FrameView.cpp
+++ b/Source/core/frame/FrameView.cpp
@@ -1096,11 +1096,13 @@ void FrameView::gatherDebugLayoutRects(RenderObject* layoutRoot)
     TRACE_EVENT_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("blink.debug.layout"), &isTracing);
     if (!isTracing)
         return;
-    if (!layoutRoot->enclosingLayer()->hasCompositedLayerMapping())
+
+    CompositedLayerMapping* compositedLayerMapping = layoutRoot->enclosingLayer()->compositedLayerMapping();
+    if (!compositedLayerMapping)
         return;
     // For access to compositedLayerMapping().
     DisableCompositingQueryAsserts disabler;
-    GraphicsLayer* graphicsLayer = layoutRoot->enclosingLayer()->compositedLayerMapping()->mainGraphicsLayer();
+    GraphicsLayer* graphicsLayer = compositedLayerMapping->mainGraphicsLayer();
     if (!graphicsLayer)
         return;
 
@@ -1925,8 +1927,12 @@ void FrameView::setTransparent(bool isTransparent)
 {
     m_isTransparent = isTransparent;
     DisableCompositingQueryAsserts disabler;
-    if (renderView() && renderView()->layer()->hasCompositedLayerMapping())
-        renderView()->layer()->compositedLayerMapping()->updateContentsOpaque();
+
+    if (!renderView())
+        return;
+
+    if (CompositedLayerMapping* compositedLayerMapping = renderView()->layer()->compositedLayerMapping())
+        compositedLayerMapping->updateContentsOpaque();
 }
 
 bool FrameView::hasOpaqueBackground() const
@@ -1943,11 +1949,12 @@ void FrameView::setBaseBackgroundColor(const Color& backgroundColor)
 {
     m_baseBackgroundColor = backgroundColor;
 
-    if (renderView() && renderView()->layer()->hasCompositedLayerMapping()) {
-        CompositedLayerMapping* compositedLayerMapping = renderView()->layer()->compositedLayerMapping();
-        compositedLayerMapping->updateContentsOpaque();
-        if (compositedLayerMapping->mainGraphicsLayer())
-            compositedLayerMapping->mainGraphicsLayer()->setNeedsDisplay();
+    if (renderView()) {
+        if (CompositedLayerMapping* compositedLayerMapping = renderView()->layer()->compositedLayerMapping()) {
+            compositedLayerMapping->updateContentsOpaque();
+            if (compositedLayerMapping->mainGraphicsLayer())
+                compositedLayerMapping->mainGraphicsLayer()->setNeedsDisplay();
+        }
     }
     recalculateScrollbarOverlayStyle();
 }