If force-sign-in policy is enabled, popup warning dialog before window closing if auth token becom…

chrome/browser/ui/views/browser_modal_dialog.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/views/browser_modal_dialog.h"
+
+#include <algorithm>
+
+#include "base/memory/singleton.h"
+
+BrowserModalDialog::BrowserModalDialog() {
+  BrowserModalDialogList::GetInstance()->AddDialog(this);
+}
+
+BrowserModalDialog::~BrowserModalDialog() {
+  BrowserModalDialogList::GetInstance()->RemoveDialog(this);
+}
+
+// static
+BrowserModalDialogList* BrowserModalDialogList::GetInstance() {
+  return base::Singleton<BrowserModalDialogList>::get();
+}
+
+void BrowserModalDialogList::AddDialog(BrowserModalDialog* dialog) {
+  dialogs_.push_back(dialog);
+}
+
+void BrowserModalDialogList::RemoveDialog(BrowserModalDialog* dialog) {
+  auto it = std::find(dialogs_.begin(), dialogs_.end(), dialog);
+  if (it != dialogs_.end()) {

[sky, 2017/05/16 12:40:32]

no {}

[zmin, 2017/05/16 22:22:02]

Done.

+    dialogs_.erase(it);
+  }
+}
+
+bool BrowserModalDialogList::ActivateModalDialog() {
+  for (BrowserModalDialog* dialog : dialogs_) {
+    if (dialog->IsShowing()) {
+      dialog->ActivateModalDialog();
+      return true;
+    }
+  }
+  return false;
+}
+
+bool BrowserModalDialogList::IsShowing() {
+  for (BrowserModalDialog* dialog : dialogs_) {
+    if (dialog->IsShowing())
+      return true;
+  }
+  return false;
+}
+
+BrowserModalDialogList::BrowserModalDialogList() {}
+
+BrowserModalDialogList::~BrowserModalDialogList() {}