Allow message center and related bubbles to render on Windows.

ui/views/controls/slide_out_view.h

Index: ui/views/controls/slide_out_view.h
diff --git a/ui/views/controls/slide_out_view.h b/ui/views/controls/slide_out_view.h
index 4d36dc418dacb965433ad4bcbaeab2fa00988afe..10cdb6810b10eeecb5a88dfd0ed08ebcd1100977 100644
--- a/ui/views/controls/slide_out_view.h
+++ b/ui/views/controls/slide_out_view.h
@@ -15,6 +15,19 @@ namespace views {
 class VIEWS_EXPORT SlideOutView : public views::View,
                                   public ui::ImplicitAnimationObserver {
  public:
+  enum SlideDirection {
+    SLIDE_LEFT,
+    SLIDE_RIGHT

[msw, 2013/01/17 02:28:30]

nit: use a comma after trailing enum entries.

[dewittj, 2013/01/17 21:25:18]

Done.

+  };
+
+  class Impl {

[msw, 2013/01/17 02:28:30]

nit: comment.

[dewittj, 2013/01/17 21:25:18]

Gone.

+   public:
+    virtual void TransformView(float scroll_amount) = 0;
+    virtual void RestoreView() = 0;
+    virtual void HideView(SlideDirection direction) = 0;
+    virtual ~Impl() {}

[msw, 2013/01/17 02:28:30]

nit: list the destructor above other functions.

[dewittj, 2013/01/17 21:25:18]

Gone.

+  };
+
   SlideOutView();
   virtual ~SlideOutView();
 
@@ -25,12 +38,6 @@ class VIEWS_EXPORT SlideOutView : public views::View,
   // Overridden from views::View.
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 
- private:
-  enum SlideDirection {
-    SLIDE_LEFT,
-    SLIDE_RIGHT
-  };
-
   // Restores the transform and opacity of the view.
   void RestoreVisualState();
 
@@ -40,6 +47,7 @@ class VIEWS_EXPORT SlideOutView : public views::View,
   // Overridden from ImplicitAnimationObserver.
   virtual void OnImplicitAnimationsCompleted() OVERRIDE;
 
+  scoped_ptr<Impl> impl_;
   float gesture_scroll_amount_;
 
   DISALLOW_COPY_AND_ASSIGN(SlideOutView);