Revert of Optimize repaint on FrameView resize

Source/core/rendering/RenderObject.h

Index: Source/core/rendering/RenderObject.h
diff --git a/Source/core/rendering/RenderObject.h b/Source/core/rendering/RenderObject.h
index b34a4235ee08b37d0d093df6affd9f596ff6f124..6341809527be773ef51cbd423a83402df842eade 100644
--- a/Source/core/rendering/RenderObject.h
+++ b/Source/core/rendering/RenderObject.h
@@ -104,11 +104,6 @@ enum MarkingBehavior {
     MarkContainingBlockChain,
 };
 
-enum RepaintLayerBehavior {
-    RepaintLayer,
-    DontRepaintLayer,
-};
-
 enum MapCoordinatesMode {
     IsFixed = 1 << 0,
     UseTransforms = 1 << 1,
@@ -629,7 +624,7 @@ public:
     Element* offsetParent() const;
 
     void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObject* newRoot = 0, SubtreeLayoutScope* = 0);
-    void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0, RepaintLayerBehavior = RepaintLayer);
+    void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0);
     void clearNeedsLayout();
     void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0);
     void setNeedsPositionedMovementLayout();
@@ -1278,7 +1273,7 @@ inline bool RenderObject::isBeforeOrAfterContent() const
     return isBeforeContent() || isAfterContent();
 }
 
-inline void RenderObject::setNeedsLayout(MarkingBehavior markParents, SubtreeLayoutScope* layouter, RepaintLayerBehavior repaintLayer)
+inline void RenderObject::setNeedsLayout(MarkingBehavior markParents, SubtreeLayoutScope* layouter)
 {
     ASSERT(!isSetNeedsLayoutForbidden());
     bool alreadyNeededLayout = m_bitfields.selfNeedsLayout();
@@ -1286,10 +1281,7 @@ inline void RenderObject::setNeedsLayout(MarkingBehavior markParents, SubtreeLay
     if (!alreadyNeededLayout) {
         if (markParents == MarkContainingBlockChain && (!layouter || layouter->root() != this))
             markContainingBlocksForLayout(true, 0, layouter);
-        // StyleDifferenceLayout is used for different cases currently, one of which is
-        // that our content changed which mandates an invalidation.
-        // FIXME: We should be able to skip this automatic invalidation (see crbug.com/325569).
-        if (repaintLayer == RepaintLayer && hasLayer())
+        if (hasLayer())
             setLayerNeedsFullRepaint();
     }
 }