Introduce the iOS consumer API.

ios/consumer/public/base/util.h

Index: ios/consumer/public/base/util.h
diff --git a/ios/consumer/public/base/util.h b/ios/consumer/public/base/util.h
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index 0000000000000000000000000000000000000000..9820834c1d10d30422ccca6ccd2755d6b58373f0
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+++ b/ios/consumer/public/base/util.h
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+// 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 IOS_CONSUME_PUBLIC_BASE_UTIL_H_
+#define IOS_CONSUME_PUBLIC_BASE_UTIL_H_
+
+namespace ios {
+
+// Returns whether the operating system is iOS 6 or later.
+bool IsRunningOnIOS6OrLater();
+
+// Returns whether the operating system is at the given version or later.
+bool IsRunningOnOrLater(int major, int minor, int bug_fix);
+
+}  // namespace ios
+
+#endif  // IOS_CONSUME_PUBLIC_BASE_UTIL_H_