Change call-sites now that SkCanvas is not ref-counted

ui/compositor/paint_recorder.cc

Index: ui/compositor/paint_recorder.cc
diff --git a/ui/compositor/paint_recorder.cc b/ui/compositor/paint_recorder.cc
index 2c01e5c43d9c9f41835f99f91c3e8ea54b876a58..2b10187738af958db8b052ecc57270c4031388f0 100644
--- a/ui/compositor/paint_recorder.cc
+++ b/ui/compositor/paint_recorder.cc
@@ -21,8 +21,8 @@ PaintRecorder::PaintRecorder(const PaintContext& context,
       // The SkCanvas reference returned by beginRecording is shared with
       // the recorder_ so no need to store a RefPtr to it on this class, we just

[danakj, 2016/11/14 19:36:51]

This comment is out of date now. Can you have it instead explain what is keeping
the SkCanvas passed to canvas_ alive for its lifetime?

[reed1, 2016/11/14 20:50:08]

Done.

       // store the gfx::Canvas.
-      canvas_(sk_ref_sp(context.recorder_->beginRecording(
-                        gfx::RectToSkRect(gfx::Rect(recording_size)))),
+      canvas_(context.recorder_->beginRecording(
+                  gfx::RectToSkRect(gfx::Rect(recording_size))),
               context.device_scale_factor_),
       cache_(cache),
       bounds_in_layer_(context.ToLayerSpaceBounds(recording_size)) {