Roll ICU and convert include style to standard Chromium style,

chrome/browser/chromeos/system/timezone_settings.h

 // 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 CHROME_BROWSER_CHROMEOS_SYSTEM_TIMEZONE_SETTINGS_H_
 #define CHROME_BROWSER_CHROMEOS_SYSTEM_TIMEZONE_SETTINGS_H_
 
 #include <vector>
 
 #include "base/string16.h"
-#include "unicode/timezone.h"
+#include "third_party/icu/public/i18n/unicode/timezone.h"
 
 namespace chromeos {
 namespace system {
 
 // This interface provides access to Chrome OS timezone settings.
 class TimezoneSettings {
  public:
   class Observer {
    public:
     // Called when the timezone has changed. |timezone| is non-null.
@@ skipping 21 matching lines @@
   static string16 GetTimezoneID(const icu::TimeZone& timezone);
 
  protected:
   virtual ~TimezoneSettings() {}
 };
 
 }  // namespace system
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_TIMEZONE_SETTINGS_H_