Pass SkPaint instead of its alpha and mode in WebMediaPlayer::paint

media/renderers/skcanvas_video_renderer.h

Index: media/renderers/skcanvas_video_renderer.h
diff --git a/media/renderers/skcanvas_video_renderer.h b/media/renderers/skcanvas_video_renderer.h
index ff2a9195db5d7dc22fe4b44526642c27f735d119..86222fb55e8abd9d72d3547f97575cc3d2bb9f10 100644
--- a/media/renderers/skcanvas_video_renderer.h
+++ b/media/renderers/skcanvas_video_renderer.h
@@ -47,8 +47,7 @@ class MEDIA_EXPORT SkCanvasVideoRenderer {
   void Paint(const scoped_refptr<VideoFrame>& video_frame,
              SkCanvas* canvas,
              const gfx::RectF& dest_rect,
-             uint8_t alpha,
-             SkXfermode::Mode mode,
+             SkPaint& paint,
              VideoRotation video_rotation,
              const Context3D& context_3d);