[ios] Adds code for Omaha and the upgrade center.

ios/chrome/browser/upgrade/upgrade_recommended_details.h

Index: ios/chrome/browser/upgrade/upgrade_recommended_details.h
diff --git a/ios/chrome/browser/upgrade/upgrade_recommended_details.h b/ios/chrome/browser/upgrade/upgrade_recommended_details.h
new file mode 100644
index 0000000000000000000000000000000000000000..ce297a3b0031212d660eac5a61cd0fcef8e7f7b9
--- /dev/null
+++ b/ios/chrome/browser/upgrade/upgrade_recommended_details.h
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 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 IOS_CHROME_BROWSER_UPGRADE_UPGRADE_RECOMMENDED_DETAILS_H_
+#define IOS_CHROME_BROWSER_UPGRADE_UPGRADE_RECOMMENDED_DETAILS_H_
+
+#include <string>
+
+#include "url/gurl.h"
+
+struct UpgradeRecommendedDetails {
+  GURL upgrade_url;
+  std::string next_version;
+};
+
+#endif  // IOS_CHROME_BROWSER_UPGRADE_UPGRADE_RECOMMENDED_DETAILS_H_