Exclude building signin view controller and its delegate on ChromeOS

chrome/browser/ui/views/profiles/profile_chooser_view.cc

Index: chrome/browser/ui/views/profiles/profile_chooser_view.cc
diff --git a/chrome/browser/ui/views/profiles/profile_chooser_view.cc b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
index dbb2f23a69df3718fe06132e8512bf7a76ccfce9..5018e8e2f8c96ceb857cb6ca3029bbee1f3a8659 100644
--- a/chrome/browser/ui/views/profiles/profile_chooser_view.cc
+++ b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
@@ -761,7 +761,8 @@ void ProfileChooserView::ShowViewFromMode(profiles::BubbleViewMode mode) {
     // closes when it loses focus; however, on Windows, the signin modals do not
     // take away focus, thus we need to manually close the bubble.
     Hide();
-    browser_->ShowModalSigninWindow(mode, access_point_);
+    browser_->signin_view_controller()->ShowModalSignin(mode, browser_,
+                                                        access_point_);
   } else {
     ShowView(mode, avatar_menu_.get());
   }