NOSUBMIT: Demonstrate accelerated layer painting problem in mus/mash

ash/system/date/date_default_view.cc

Index: ash/system/date/date_default_view.cc
diff --git a/ash/system/date/date_default_view.cc b/ash/system/date/date_default_view.cc
index 35b4d3659beff08bff211096045bb839dd454d60..cba3de2f9ef89779cab2e4ba37ac76500b883758 100644
--- a/ash/system/date/date_default_view.cc
+++ b/ash/system/date/date_default_view.cc
@@ -126,6 +126,13 @@ const tray::DateView* DateDefaultView::GetDateView() const {
   return date_view_;
 }
 
+void DateDefaultView::OnPaint(gfx::Canvas* canvas) {
+  // JAMES: This is triggered by hovering the mouse over the lower-left corner
+  // of the bubble.
+  LOG(ERROR) << "JAMES OnPaint";
+  views::View::OnPaint(canvas);
+}
+
 void DateDefaultView::ButtonPressed(views::Button* sender,
                                     const ui::Event& event) {
   ash::Shell* shell = ash::Shell::GetInstance();