fix wrong class path

ui/views/bubble/bubble_frame_view.h

Index: ui/views/bubble/bubble_frame_view.h
diff --git a/ui/views/bubble/bubble_frame_view.h b/ui/views/bubble/bubble_frame_view.h
index 5318a83c6df4aba7e810e4438487b6331b0d628d..1306a3726063da05d32f42f4f386675aea9b436a 100644
--- a/ui/views/bubble/bubble_frame_view.h
+++ b/ui/views/bubble/bubble_frame_view.h
@@ -22,6 +22,9 @@ class BubbleBorder;
 class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
                                      public ButtonListener {
  public:
+  // Internal class name.
+  static const char kViewClassName[];
+
   explicit BubbleFrameView(const gfx::Insets& content_margins);
   virtual ~BubbleFrameView();