Add a dialog for getting user consent in the echo redeem flow.

chrome/browser/ui/echo_dialog_chromeos.h

Index: chrome/browser/ui/echo_dialog_chromeos.h
diff --git a/chrome/browser/ui/echo_dialog_chromeos.h b/chrome/browser/ui/echo_dialog_chromeos.h
new file mode 100644
index 0000000000000000000000000000000000000000..636a374deddd6686127176eb46b5278aa22c4b48
--- /dev/null
+++ b/chrome/browser/ui/echo_dialog_chromeos.h
@@ -0,0 +1,46 @@
+// Copyright 2013 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.
+
+#ifndef CHROME_BROWSER_UI_ECHO_DIALOG_CHROMEOS_H_

[sky, 2013/02/26 21:28:48]

Is there a reason this file is here and not in some chromeos directory? Same
comment for all the files.

[tbarzic, 2013/02/26 23:08:50]

Not really.. I'll move these to c/b/chromeos/ui

[tbarzic, 2013/03/18 18:21:58]

Done.

+#define CHROME_BROWSER_UI_ECHO_DIALOG_CHROMEOS_H_
+
+#include "base/string16.h"
+#include "ui/gfx/native_widget_types.h"
+
+class EchoDialogListener;
+
+// Dialog shown by echoPrivate extension API when getUserConsent function is
+// called. The API is used by echo extension when an offer from a service is
+// being redeemed. The dialog is shown to get an user consent. If the echo
+// extension is not allowed by policy to redeem offers, the dialog informs user
+// about this.
+// This is ChromeOS-only dialog.

[sky, 2013/02/26 21:28:48]

Remove this comment since the file is named _chromeos.

[tbarzic, 2013/03/18 18:21:58]

Done.

+class EchoDialog {
+ public:
+  virtual ~EchoDialog() {}
+
+  // Creates platform specific (only ChromeOS) implementation of EchoDialog.
+  // Implementation in chrome/browser/ui/views/echo_dialog_views_chromeos.cc
+  static EchoDialog* Create(EchoDialogListener* listener);
+
+  // Initializes dialog layout that will be showed when echo extension is
+  // allowed to redeem offers. |service_name| is the name of the service that
+  // requests user consent to redeem an offer. |origin| is the service's origin
+  // url. Service name should be underlined in the dialog, and hovering over its
+  // label should display tooltip containing |origin|.
+  // The dialog will have both OK and Cancel buttons.
+  virtual void InitForEnabledEcho(const string16& service_name,
+                                  const string16& origin) = 0;
+
+  // Initializes dialog layout that will be shown when echo extension is not
+  // allowed to redeem offers. The dialog will be showing a message that the
+  // offer redeeming is disabled by policy.
+  // The dialog will have only Cancel button.
+  virtual void InitForDisabledEcho() = 0;
+
+  // Shows the dialog.
+  virtual void Show(gfx::NativeWindow parent) = 0;
+};
+
+#endif  // CHROME_BROWSER_UI_ECHO_DIALOG_CHROMEOS_H_