Remove PaintCanvas::writePixels

cc/paint/paint_canvas.h

Index: cc/paint/paint_canvas.h
diff --git a/cc/paint/paint_canvas.h b/cc/paint/paint_canvas.h
index d8a58372415a839cc8b9669b3067f2efcdccc087..b163809da10ff800d8a202a3288f01c1d34db81a 100644
--- a/cc/paint/paint_canvas.h
+++ b/cc/paint/paint_canvas.h
@@ -34,11 +34,6 @@ class CC_PAINT_EXPORT PaintCanvas {
   // both recording and gpu work.
   virtual void flush() = 0;
 
-  virtual bool writePixels(const SkImageInfo& info,
-                           const void* pixels,
-                           size_t row_bytes,
-                           int x,
-                           int y) = 0;
   virtual int save() = 0;
   virtual int saveLayer(const SkRect* bounds, const PaintFlags* flags) = 0;
   virtual int saveLayerAlpha(const SkRect* bounds, U8CPU alpha) = 0;