Remove all but one of the PaintLayerFlags.

sky/engine/core/rendering/LayerPaintingInfo.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 34 matching lines @@
 #ifndef SKY_ENGINE_CORE_RENDERING_LAYERPAINTINGINFO_H_
 #define SKY_ENGINE_CORE_RENDERING_LAYERPAINTINGINFO_H_
 
 #include "sky/engine/core/rendering/PaintInfo.h"
 #include "sky/engine/platform/geometry/LayoutRect.h"
 
 namespace blink {
 
 class RenderLayer;
 
+// FIXME(sky): Get rid of this bitmasking and just use a regular enum.

[ojan, 2014/12/04 03:47:13]

Will remove the enum in a followup to try to keep this patch manageable to
review.

[ojan, 2014/12/04 03:47:13]

Will remove the enum in a followup to try to keep this patch manageable to
review.

 enum PaintLayerFlag {
-    PaintLayerHaveTransparency = 1,
-    // FIXME(sky): This is unused. Remove it.
-    PaintLayerUncachedClipRects = 1 << 2,
-    PaintLayerPaintingOverlayScrollbars = 1 << 4,
-    PaintLayerPaintingCompositingBackgroundPhase = 1 << 5,
-    PaintLayerPaintingCompositingForegroundPhase = 1 << 6,
-    PaintLayerPaintingCompositingMaskPhase = 1 << 7,
-    PaintLayerPaintingCompositingScrollingPhase = 1 << 8,
-    PaintLayerPaintingCompositingAllPhases = (PaintLayerPaintingCompositingBackgroundPhase | PaintLayerPaintingCompositingForegroundPhase | PaintLayerPaintingCompositingMaskPhase)
+    PaintLayerPaintingOverlayScrollbars = 1,
 };
 
 typedef unsigned PaintLayerFlags;
 
 struct LayerPaintingInfo {
     LayerPaintingInfo(RenderLayer* inRootLayer, const LayoutRect& inDirtyRect,
         PaintBehavior inPaintBehavior, const LayoutSize& inSubPixelAccumulation,
         RenderObject* inPaintingRoot = 0)
         : rootLayer(inRootLayer)
         , paintingRoot(inPaintingRoot)
         , paintDirtyRect(inDirtyRect)
         , subPixelAccumulation(inSubPixelAccumulation)
         , paintBehavior(inPaintBehavior)
         , clipToDirtyRect(true)
     { }
     RenderLayer* rootLayer;
     RenderObject* paintingRoot; // only paint descendants of this object
     LayoutRect paintDirtyRect; // relative to rootLayer;
     LayoutSize subPixelAccumulation;
     PaintBehavior paintBehavior;
     bool clipToDirtyRect;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_RENDERING_LAYERPAINTINGINFO_H_