Remove cullRect() from PaintOpBuffer.

cc/paint/record_paint_canvas.h

Index: cc/paint/record_paint_canvas.h
diff --git a/cc/paint/record_paint_canvas.h b/cc/paint/record_paint_canvas.h
index a99b597b84c1e2c2314c5a8f33162146a686761f..4eb391d747ac48a4daf32f03f0de8432d5dbe6ee 100644
--- a/cc/paint/record_paint_canvas.h
+++ b/cc/paint/record_paint_canvas.h
@@ -24,7 +24,7 @@ class PaintFlags;
 
 class CC_PAINT_EXPORT RecordPaintCanvas final : public PaintCanvas {
  public:
-  explicit RecordPaintCanvas(PaintOpBuffer* buffer);
+  explicit RecordPaintCanvas(PaintOpBuffer* buffer, const SkRect& bounds);
   ~RecordPaintCanvas() override;
 
   SkMetaData& getMetaData() override;
@@ -148,6 +148,7 @@ class CC_PAINT_EXPORT RecordPaintCanvas final : public PaintCanvas {
   // This is mutable so that const functions (e.g. quickReject) that may
   // lazy initialize the canvas can still be const.
   mutable base::Optional<SkNoDrawCanvas> canvas_;
+  SkRect recording_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(RecordPaintCanvas);
 };