| Index: third_party/WebKit/Source/platform/graphics/paint/PaintController.h | 
| diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintController.h b/third_party/WebKit/Source/platform/graphics/paint/PaintController.h | 
| index 8aaebc3ed5f38df9e07115a0e92dd14f9956d3b3..cde4c2d9c453e2ce977c55693b3d84477355a4aa 100644 | 
| --- a/third_party/WebKit/Source/platform/graphics/paint/PaintController.h | 
| +++ b/third_party/WebKit/Source/platform/graphics/paint/PaintController.h | 
| @@ -187,6 +187,10 @@ | 
|  | 
| #if DCHECK_IS_ON() | 
| void assertDisplayItemClientsAreLive(); | 
| + | 
| +  enum Usage { ForNormalUsage, ForSkPictureBuilder }; | 
| +  void setUsage(Usage usage) { m_usage = usage; } | 
| +  bool isForSkPictureBuilder() const { return m_usage == ForSkPictureBuilder; } | 
| #endif | 
|  | 
| void setTracksRasterInvalidations(bool value); | 
| @@ -351,6 +355,8 @@ | 
| #if DCHECK_IS_ON() | 
| // This is used to check duplicated ids during createAndAppend(). | 
| IndicesByClientMap m_newDisplayItemIndicesByClient; | 
| + | 
| +  Usage m_usage; | 
| #endif | 
|  | 
| // These are set in useCachedDrawingIfPossible() and | 
|  |