Add resize support for Views new style dialogs.

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 a52a522e3ce3249c39b5fb5633dc2a0629aa5702..70189c219ebce5869fcd2a07fb417f58140a73c8 100644
--- a/ui/views/bubble/bubble_frame_view.h
+++ b/ui/views/bubble/bubble_frame_view.h
@@ -56,8 +56,6 @@ class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
   void SetShowCloseButton(bool show);
   void SetTitlebarExtraView(View* view);
 
-  void set_can_drag(bool can_drag) { can_drag_ = can_drag; }
-
   // Given the size of the contents and the rect to point at, returns the bounds
   // of the bubble window. The bubble's arrow location may change if the bubble
   // does not fit on the monitor and |adjust_if_offscreen| is true.
@@ -98,9 +96,6 @@ class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
   // (x) close button.
   View* titlebar_extra_view_;
 
-  // A flag controlling the ability to drag this frame.
-  bool can_drag_;
-
   DISALLOW_COPY_AND_ASSIGN(BubbleFrameView);
 };