MacViews: Fix WidgetTest.DesktopNativeWidgetNoPaintAfterCloseTest

ui/views/cocoa/bridged_content_view.h

Index: ui/views/cocoa/bridged_content_view.h
diff --git a/ui/views/cocoa/bridged_content_view.h b/ui/views/cocoa/bridged_content_view.h
index 2bc93ab77a1f8abd75a2b10695216630d2cc6d7a..3a917cfdbaba4a8be1f6ceec4a5c3b1c5d9ecfa7 100644
--- a/ui/views/cocoa/bridged_content_view.h
+++ b/ui/views/cocoa/bridged_content_view.h
@@ -31,10 +31,16 @@ class View;
 
   // A tracking area installed to enable mouseMoved events.
   ui::ScopedCrTrackingArea trackingArea_;
+
+  // Set to ignore window visibility in a subsequent call to drawRect:. Views
+  // does not expect hidden windows to paint. However, when showing a window,
+  // Cocoa first paints before updating visibility.
+  BOOL willShow_;
 }
 
 @property(readonly, nonatomic) views::View* hostedView;
 @property(assign, nonatomic) ui::TextInputClient* textInputClient;
+@property(assign, nonatomic) BOOL willShow;
 
 // Initialize the NSView -> views::View bridge. |viewToHost| must be non-NULL.
 - (id)initWithView:(views::View*)viewToHost;