Change base::TickClock to a ref counted class.

chrome/browser/browser_process_impl.cc

 // 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.
 
 #include "chrome/browser/browser_process_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 749 matching lines @@
 WebRtcLogUploader* BrowserProcessImpl::webrtc_log_uploader() {
   if (!webrtc_log_uploader_.get())
     webrtc_log_uploader_.reset(new WebRtcLogUploader());
   return webrtc_log_uploader_.get();
 }
 #endif
 
 network_time::NetworkTimeTracker* BrowserProcessImpl::network_time_tracker() {
   if (!network_time_tracker_) {
     network_time_tracker_.reset(new network_time::NetworkTimeTracker(
-        scoped_ptr<base::TickClock>(new base::DefaultTickClock()),
+        scoped_refptr<base::TickClock>(new base::DefaultTickClock()),
         local_state()));
   }
   return network_time_tracker_.get();
 }
 
 gcm::GCMDriver* BrowserProcessImpl::gcm_driver() {
   DCHECK(CalledOnValidThread());
   if (!gcm_driver_)
     CreateGCMDriver();
   return gcm_driver_.get();
@@ skipping 448 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)