Remove hung renderer dialog black border.

chrome/browser/ui/views/hung_renderer_view.h

Index: chrome/browser/ui/views/hung_renderer_view.h
diff --git a/chrome/browser/ui/views/hung_renderer_view.h b/chrome/browser/ui/views/hung_renderer_view.h
index a041d37379e82224993be1b6cefb02cf90d567bd..a657b44a8654b7b70de7905c1962d29c8409c779 100644
--- a/chrome/browser/ui/views/hung_renderer_view.h
+++ b/chrome/browser/ui/views/hung_renderer_view.h
@@ -104,7 +104,7 @@ class HungRendererDialogView : public views::DialogDelegateView,
  public:
   // Factory function for creating an instance of the HungRendererDialogView
   // class. At any given point only one instance can be active.
-  static HungRendererDialogView* Create();
+  static HungRendererDialogView* Create(gfx::NativeView context);
 
   // Returns a pointer to the singleton instance if any.
   static HungRendererDialogView* GetInstance();