Remove deprecated version of views::CreateDialogFrameView.

chrome/browser/ui/views/constrained_window_views.h

Index: chrome/browser/ui/views/constrained_window_views.h
diff --git a/chrome/browser/ui/views/constrained_window_views.h b/chrome/browser/ui/views/constrained_window_views.h
index 3ee275377e6f2e4b9c54d6f1f25f827c173d819f..aae0ae1385e4c274e3e2fd62c843dda7d9f7a1e1 100644
--- a/chrome/browser/ui/views/constrained_window_views.h
+++ b/chrome/browser/ui/views/constrained_window_views.h
@@ -7,15 +7,9 @@
 
 #include "ui/gfx/native_widget_types.h"
 
-namespace content {
-class BrowserContext;
-}
-
 namespace views {
 class DialogDelegate;
-class NonClientFrameView;
 class Widget;
-class WidgetDelegate;
 }
 
 namespace web_modal {
@@ -38,8 +32,4 @@ void UpdateBrowserModalDialogPosition(
 views::Widget* CreateBrowserModalDialogViews(views::DialogDelegate* dialog,
                                              gfx::NativeWindow parent);
 
-views::NonClientFrameView* CreateConstrainedStyleNonClientFrameView(
-    views::Widget* widget,
-    content::BrowserContext* browser_context);
-
 #endif  // CHROME_BROWSER_UI_VIEWS_CONSTRAINED_WINDOW_VIEWS_H_