Template methods on Timer classes instead of the classes themselves.

ui/events/gesture_detection/gesture_detector.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.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "ui/events/gesture_detection/gesture_detector.h"
 
 #include <cmath>
@@ skipping 85 matching lines @@
   }
 
   bool HasTimeout(TimeoutEvent event) const {
     return timeout_timers_[event].IsRunning();
   }
 
  private:
   typedef void (GestureDetector::*ReceiverMethod)();
 
   GestureDetector* const gesture_detector_;
-  base::OneShotTimer<GestureDetector> timeout_timers_[TIMEOUT_EVENT_COUNT];
+  base::OneShotTimer timeout_timers_[TIMEOUT_EVENT_COUNT];
   ReceiverMethod timeout_callbacks_[TIMEOUT_EVENT_COUNT];
   base::TimeDelta timeout_delays_[TIMEOUT_EVENT_COUNT];
 };
 
 GestureDetector::GestureDetector(
     const Config& config,
     GestureListener* listener,
     DoubleTapListener* optional_double_tap_listener)
     : timeout_handler_(new TimeoutGestureHandler(config, this)),
       listener_(listener),
@@ skipping 386 matching lines @@
     return false;
 
   if (vx_abs > vy_abs)
     vy = 0;
   else
     vx = 0;
   return listener_->OnSwipe(*current_down_event_, up, vx, vy);
 }
 
 }  // namespace ui