Change ui::Event::time_stamp from TimeDelta to TimeTicks

components/exo/touch_delegate.h

 // 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.
 
 #ifndef COMPONENTS_EXO_TOUCH_DELEGATE_H_
 #define COMPONENTS_EXO_TOUCH_DELEGATE_H_
 
 #include "base/time/time.h"
 
 namespace gfx {
@@ skipping 13 matching lines @@
 
   // This should return true if |surface| is a valid target for this touch
   // device. E.g. the surface is owned by the same client as the touch device.
   virtual bool CanAcceptTouchEventsForSurface(Surface* surface) const = 0;
 
   // Called when a new touch point has appeared on the surface. This touch
   // point is assigned a unique ID. Future events from this touch point
   // reference this ID. |location| is the initial location of touch point
   // relative to the origin of the surface.
   virtual void OnTouchDown(Surface* surface,
-                           base::TimeDelta time_stamp,
+                           base::TimeTicks time_stamp,
                            int id,
                            const gfx::Point& location) = 0;
 
   // Called when a touch point has disappeared. No further events will be sent
   // for this touch point.
-  virtual void OnTouchUp(base::TimeDelta time_stamp, int id) = 0;
+  virtual void OnTouchUp(base::TimeTicks time_stamp, int id) = 0;
 
   // Called when a touch point has changed coordinates.
-  virtual void OnTouchMotion(base::TimeDelta time_stamp,
+  virtual void OnTouchMotion(base::TimeTicks time_stamp,
                              int id,
                              const gfx::Point& location) = 0;
 
   // Called when the touch session has been canceled. Touch cancellation
   // applies to all touch points currently active.
   virtual void OnTouchCancel() = 0;
 
  protected:
   virtual ~TouchDelegate() {}
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_TOUCH_DELEGATE_H_