ui: Use a PaintRecorder to access the Canvas for painting.

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index 7a0fcb3fb2068d4c9c18f1c27ed8fdb07df6e0a1..78659caf418cd1b5ee47d40b98e1841a3e4f659b 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -1459,8 +1459,10 @@ void View::UpdateChildLayerBounds(const gfx::Vector2d& offset) {
 }
 
 void View::OnPaintLayer(const ui::PaintContext& context) {
-  if (!layer()->fills_bounds_opaquely())
-    context.canvas()->DrawColor(SK_ColorBLACK, SkXfermode::kClear_Mode);
+  if (!layer()->fills_bounds_opaquely()) {
+    ui::PaintRecorder recorder(context);
+    recorder.canvas()->DrawColor(SK_ColorBLACK, SkXfermode::kClear_Mode);
+  }
   if (!visible_)
     return;
   Paint(context);