Change base::TickClock to a ref counted class.

extensions/browser/api/cast_channel/cast_channel_api.cc

 // Copyright 2014 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 "extensions/browser/api/cast_channel/cast_channel_api.h"
 
 #include <limits>
 #include <string>
 
 #include "base/json/json_writer.h"
@@ skipping 90 matching lines @@
 bool IsValidConnectInfoIpAddress(const ConnectInfo& connect_info) {
   net::IPAddressNumber ip_address;
   return net::ParseIPLiteralToNumber(connect_info.ip_address, &ip_address);
 }
 
 }  // namespace
 
 CastChannelAPI::CastChannelAPI(content::BrowserContext* context)
     : browser_context_(context),
       logger_(
-          new Logger(scoped_ptr<base::TickClock>(new base::DefaultTickClock),
+          new Logger(scoped_refptr<base::TickClock>(new base::DefaultTickClock),
                      base::TimeTicks::UnixEpoch())) {
   DCHECK(browser_context_);
 }
 
 // static
 CastChannelAPI* CastChannelAPI::Get(content::BrowserContext* context) {
   return BrowserContextKeyedAPIFactory<CastChannelAPI>::Get(context);
 }
 
 scoped_refptr<Logger> CastChannelAPI::GetLogger() {
@@ skipping 382 matching lines @@
   } else {
     SetError("Unable to get logs.");
   }
 
   api_->GetLogger()->Reset();
 
   AsyncWorkCompleted();
 }
 
 }  // namespace extensions