Port BubbleDelegate tests to BubbleDialogDelegate

ui/views/bubble/bubble_dialog_delegate.h

Index: ui/views/bubble/bubble_dialog_delegate.h
diff --git a/ui/views/bubble/bubble_dialog_delegate.h b/ui/views/bubble/bubble_dialog_delegate.h
index 2efe93edddad79daded3691099602d35b77f175d..13c576efd7ee64830ca94f295816832671fee665 100644
--- a/ui/views/bubble/bubble_dialog_delegate.h
+++ b/ui/views/bubble/bubble_dialog_delegate.h
@@ -48,7 +48,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   const char* GetClassName() const override;
 
   // WidgetObserver overrides:
-  void OnWidgetClosing(Widget* widget) override;
   void OnWidgetDestroying(Widget* widget) override;
   void OnWidgetVisibilityChanging(Widget* widget, bool visible) override;
   void OnWidgetVisibilityChanged(Widget* widget, bool visible) override;
@@ -95,8 +94,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   bool adjust_if_offscreen() const { return adjust_if_offscreen_; }
   void set_adjust_if_offscreen(bool adjust) { adjust_if_offscreen_ = adjust; }
 
-  CloseReason close_reason() const { return close_reason_; }
-
   // Get the arrow's anchor rect in screen space.
   virtual gfx::Rect GetAnchorRect() const;
 
@@ -200,8 +197,6 @@ class VIEWS_EXPORT BubbleDialogDelegateView : public DialogDelegateView,
   // Parent native window of the bubble.
   gfx::NativeView parent_window_;
 
-  CloseReason close_reason_;
-
   DISALLOW_COPY_AND_ASSIGN(BubbleDialogDelegateView);
 };