Delete paint invalidaiton code in RenderLayerModelObject::styleWillChange.

Source/core/rendering/RenderLayerModelObject.cpp

Index: Source/core/rendering/RenderLayerModelObject.cpp
diff --git a/Source/core/rendering/RenderLayerModelObject.cpp b/Source/core/rendering/RenderLayerModelObject.cpp
index 3f5acdee95a0cb6c9cddfe002dfedd498196f7f1..d7c2716406ef2f4289bb96af63460b70cc2f968e 100644
--- a/Source/core/rendering/RenderLayerModelObject.cpp
+++ b/Source/core/rendering/RenderLayerModelObject.cpp
@@ -101,15 +101,6 @@ void RenderLayerModelObject::styleWillChange(StyleDifference diff, const RenderS
             if (oldStyle->hasClip() != newStyle.hasClip()
                 || oldStyle->clip() != newStyle.clip())
                 layer()->clipper().clearClipRectsIncludingDescendants();
-        } else if (diff.needsFullLayout()) {
-            if (hasLayer()) {
-                if (!layer()->hasCompositedLayerMapping() && oldStyle->position() != newStyle.position())
-                    layer()->repainter().repaintIncludingNonCompositingDescendants();
-            } else if (newStyle.hasTransform() || newStyle.opacity() < 1 || newStyle.hasFilter()) {
-                // If we don't have a layer yet, but we are going to get one because of transform or opacity,
-                //  then we need to repaint the old position of the object.
-                paintInvalidationForWholeRenderer();
-            }
         }
     }