Template methods on Timer classes instead of the classes themselves.

chrome/browser/extensions/api/audio_modem/audio_modem_api.cc

 // Copyright 2015 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 <map>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 160 matching lines @@
 
 void AudioModemAPI::StartReceive(const std::string& app_id,
                                  const RequestParams& params) {
   DVLOG(3) << "Starting receive for app " << app_id;
 
   AudioType audio_type = AudioTypeForBand(params.band);
   modem_->SetTokenParams(audio_type, TokenParamsForEncoding(params.encoding));
   modem_->StartRecording(audio_type);
 
   if (receive_timers_[audio_type].count(app_id) == 0)
-    receive_timers_[audio_type][app_id] = new base::OneShotTimer<AudioModemAPI>;
+    receive_timers_[audio_type][app_id] = new base::OneShotTimer;
   DCHECK(receive_timers_[audio_type][app_id]);
   receive_timers_[audio_type][app_id]->Start(
       FROM_HERE,
       base::TimeDelta::FromMilliseconds(params.timeout_millis),
       base::Bind(base::IgnoreResult(&AudioModemAPI::StopReceive),
                  base::Unretained(this),
                  app_id,
                  audio_type));
 }
 
@@ skipping 148 matching lines @@
 ExtensionFunction::ResponseAction AudioModemStopReceiveFunction::Run() {
   scoped_ptr<StopReceive::Params> params(StopReceive::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   Status status = AudioModemAPI::GetFactoryInstance()->Get(browser_context())
       ->StopReceive(extension_id(), AudioTypeForBand(params->band));
   return RespondNow(ArgumentList(StopReceive::Results::Create(status)));
 }
 
 }  // namespace extensions