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

ui/events/ozone/evdev/keyboard_evdev.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 "ui/events/ozone/evdev/keyboard_evdev.h"
 
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
@@ skipping 56 matching lines @@
   repeat_delay_ = base::TimeDelta::FromMilliseconds(kRepeatDelayMs);
   repeat_interval_ = base::TimeDelta::FromMilliseconds(kRepeatIntervalMs);
 }
 
 KeyboardEvdev::~KeyboardEvdev() {
 }
 
 void KeyboardEvdev::OnKeyChange(unsigned int key,
                                 bool down,
                                 bool suppress_auto_repeat,
-                                base::TimeDelta timestamp,
+                                base::TimeTicks timestamp,
                                 int device_id) {
   if (key > KEY_MAX)
     return;
 
   bool was_down = key_state_.test(key);
   bool is_repeat = down && was_down;
   if (!down && !was_down)
     return;  // Key already released.
 
   key_state_.set(key, down);
@@ skipping 128 matching lines @@
 
   DispatchKey(repeat_key_, true /* down */, true /* repeat */,
               EventTimeForNow(), repeat_device_id_);
 
   ScheduleKeyRepeat(repeat_interval_);
 }
 
 void KeyboardEvdev::DispatchKey(unsigned int key,
                                 bool down,
                                 bool repeat,
-                                base::TimeDelta timestamp,
+                                base::TimeTicks timestamp,
                                 int device_id) {
   DomCode dom_code =
       KeycodeConverter::NativeKeycodeToDomCode(EvdevCodeToNativeCode(key));
   if (dom_code == DomCode::NONE)
     return;
   int flags = modifiers_->GetModifierFlags();
   DomKey dom_key;
   KeyboardCode key_code;
   if (!keyboard_layout_engine_->Lookup(dom_code, flags, &dom_key, &key_code))
     return;
   if (!repeat) {
     int flag = ModifierDomKeyToEventFlag(dom_key);
     UpdateModifier(flag, down);
   }
 
   KeyEvent event(down ? ET_KEY_PRESSED : ET_KEY_RELEASED, key_code, dom_code,
                  modifiers_->GetModifierFlags(), dom_key, timestamp);
   event.set_source_device_id(device_id);
   callback_.Run(&event);
 }
 
 }  // namespace ui