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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/browser/time_zone_monitor.h"
      6 
      7 #include "base/logging.h"
      8 #include "content/public/browser/browser_thread.h"
      9 #include "content/public/browser/render_process_host.h"
     10 
     11 namespace content {
     12 
     13 TimeZoneMonitor::TimeZoneMonitor() {
     14   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     15 }
     16 
     17 TimeZoneMonitor::~TimeZoneMonitor() {
     18   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     19 }
     20 
     21 void TimeZoneMonitor::NotifyRenderers() {
     22   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     23   for (RenderProcessHost::iterator iterator =
     24            RenderProcessHost::AllHostsIterator();
     25        !iterator.IsAtEnd();
     26        iterator.Advance()) {
     27     iterator.GetCurrentValue()->NotifyTimezoneChange();
     28   }
     29 }
     30 
     31 }  // namespace content
     32