Add a lock to the managed user settings page and require authentication for unlocking.

chrome/browser/ui/webui/managed_user_passphrase_dialog_webui.h

Index: chrome/browser/ui/webui/managed_user_passphrase_dialog_webui.h
diff --git a/chrome/browser/ui/webui/tab_modal_confirm_dialog_webui.h b/chrome/browser/ui/webui/managed_user_passphrase_dialog_webui.h
similarity index 52%
copy from chrome/browser/ui/webui/tab_modal_confirm_dialog_webui.h
copy to chrome/browser/ui/webui/managed_user_passphrase_dialog_webui.h
index 06266403d4e691b967c43a3b5955b495e868e8e8..4b653899bd4fc6861dc1c1098502ffdcbe77bab0 100644
--- a/chrome/browser/ui/webui/tab_modal_confirm_dialog_webui.h
+++ b/chrome/browser/ui/webui/managed_user_passphrase_dialog_webui.h
@@ -2,36 +2,37 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
-#define CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
-
-#if !(defined(USE_AURA) || defined(OS_CHROMEOS))
-#error Tab-modal confirm dialog should be shown with native UI.
-#endif
+#ifndef CHROME_BROWSER_UI_WEBUI_MANAGED_USER_PASSPHRASE_DIALOG_WEBUI_H_
+#define CHROME_BROWSER_UI_WEBUI_MANAGED_USER_PASSPHRASE_DIALOG_WEBUI_H_
 
 #include "base/basictypes.h"
+#include "base/callback.h"
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/ui/tab_modal_confirm_dialog.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
 class ConstrainedWebDialogDelegate;
+class Profile;
 
 namespace content {
 class WebContents;
 }
 
+namespace base {
+class Value;
+}
+
 // Displays a tab-modal dialog, i.e. a dialog that will block the current page
 // but still allow the user to switch to a different page.
 // To display the dialog, allocate this object on the heap. It will open the
 // dialog from its constructor and then delete itself when the user dismisses
 // the dialog.
-class TabModalConfirmDialogWebUI : public TabModalConfirmDialog,
-                                   public ui::WebDialogDelegate {
+class ManagedUserPassphraseDialogWebUI : public ui::WebDialogDelegate {
  public:
-  TabModalConfirmDialogWebUI(
-      TabModalConfirmDialogDelegate* dialog_delegate,
-      content::WebContents* web_contents);
+  // creates a passphrase dialog which will be deleted automatically when the

[Bernhard Bauer, 2013/01/07 14:20:22]

Nit: Capitalize the sentence please.

[Pam (message me for reviews), 2013/01/07 14:51:49]

Also please end it with a period.

+  // user closes the dialog
+  static void CreateManagedUserPassphraseDialog(
+      content::WebContents* web_contents,
+      const base::Callback<void(void)>& callback);
 
   // ui::WebDialogDelegate implementation.
   virtual ui::ModalType GetDialogModalType() const OVERRIDE;
@@ -43,26 +44,19 @@ class TabModalConfirmDialogWebUI : public TabModalConfirmDialog,
   virtual std::string GetDialogArgs() const OVERRIDE;
   virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
   virtual void OnCloseContents(content::WebContents* source,
-                               bool* out_close_dialog) OVERRIDE;
+      bool* out_close_dialog) OVERRIDE;
   virtual bool ShouldShowDialogTitle() const OVERRIDE;
 
-  ConstrainedWebDialogDelegate* constrained_web_dialog_delegate() {
-    return constrained_web_dialog_delegate_;
-  }
-
  private:
-  virtual ~TabModalConfirmDialogWebUI();
-
-  // TabModalConfirmDialog:
-  virtual void AcceptTabModalDialog() OVERRIDE;
-  virtual void CancelTabModalDialog() OVERRIDE;
-
-  scoped_ptr<TabModalConfirmDialogDelegate> delegate_;
+  ManagedUserPassphraseDialogWebUI(content::WebContents* web_contents,
+      const base::Callback<void(void)>& callback);
+  virtual ~ManagedUserPassphraseDialogWebUI();

[Bernhard Bauer, 2013/01/07 14:20:22]

Please add a newline.

+  void CreateDataSource(Profile* profile);
 
-  // Deletes itself.
-  ConstrainedWebDialogDelegate* constrained_web_dialog_delegate_;
+  base::Callback<void(void)> callback_;

[Bernhard Bauer, 2013/01/07 14:20:22]

This is typedef'd as a base::Closure.

+  bool closing_;
 
-  DISALLOW_COPY_AND_ASSIGN(TabModalConfirmDialogWebUI);
+  DISALLOW_COPY_AND_ASSIGN(ManagedUserPassphraseDialogWebUI);
 };
 
-#endif  // CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_MANAGED_USER_PASSPHRASE_DIALOG_WEBUI_H_