Don't check for layout in a canvas if it it's already needed

Source/core/rendering/RenderHTMLCanvas.cpp

Index: Source/core/rendering/RenderHTMLCanvas.cpp
diff --git a/Source/core/rendering/RenderHTMLCanvas.cpp b/Source/core/rendering/RenderHTMLCanvas.cpp
index a98c72cda9b5cf3293607dbb3a786f2ec4fb04d0..a09c9fac38b4c60db4aad69415c65de73845f1bd 100644
--- a/Source/core/rendering/RenderHTMLCanvas.cpp
+++ b/Source/core/rendering/RenderHTMLCanvas.cpp
@@ -71,14 +71,16 @@ void RenderHTMLCanvas::canvasSizeChanged()
     if (!preferredLogicalWidthsDirty())
         setPreferredLogicalWidthsDirty();
 
+    if (selfNeedsLayout())
+        return;
+
     LayoutSize oldSize = size();
     updateLogicalWidth();
     updateLogicalHeight();
     if (oldSize == size())
         return;
 
-    if (!selfNeedsLayout())
-        setNeedsLayout();
+    setNeedsLayout();
 }
 
 CompositingReasons RenderHTMLCanvas::additionalCompositingReasons() const