Template methods on Timer classes instead of the classes themselves.

components/autofill/content/browser/risk/fingerprint.cc

 // Copyright 2013 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.
 //
 // Generating a fingerprint consists of two major steps:
 //   (1) Gather all the necessary data.
 //   (2) Write it into a protocol buffer.
 //
 // Step (2) is as simple as it sounds -- it's really just a matter of copying
 // data.  Step (1) requires waiting on several asynchronous callbacks, which are
@@ skipping 219 matching lines @@
   const base::Time install_time_;
 
   // Data that will be loaded asynchronously.
   scoped_ptr<base::ListValue> fonts_;
   std::vector<content::WebPluginInfo> plugins_;
   bool waiting_on_plugins_;
   content::Geoposition geoposition_;
 
   // Timer to enforce a maximum timeout before the |callback_| is called, even
   // if not all asynchronous data has been loaded.
-  base::OneShotTimer<FingerprintDataLoader> timeout_timer_;
+  base::OneShotTimer timeout_timer_;
 
   // The callback that will be called once all the data is available.
   base::Callback<void(scoped_ptr<Fingerprint>)> callback_;
 
   // The callback used as an "observer" of the GeolocationProvider.
   scoped_ptr<content::GeolocationProvider::Subscription>
       geolocation_subscription_;
 
   // For invalidating asynchronous callbacks that might arrive after |this|
   // instance is destroyed.
@@ skipping 225 matching lines @@
     host_view->GetRenderWidgetHost()->GetWebScreenInfo(&screen_info);
 
   internal::GetFingerprintInternal(
       obfuscated_gaia_id, window_bounds, content_bounds, screen_info, version,
       charset, accept_languages, install_time, app_locale, user_agent,
       base::TimeDelta::FromSeconds(kTimeoutSeconds), callback);
 }
 
 }  // namespace risk
 }  // namespace autofill