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

ui/events/events_stub.cc

 // Copyright (c) 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.
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/dom/dom_code.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 namespace ui {
 
 // Stub implementations of platform-specific methods in events_util.h, built
 // on platforms that currently do not have a complete implementation of events.
 
 EventType EventTypeFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return ET_UNKNOWN;
 }
 
 int EventFlagsFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
-base::TimeDelta EventTimeFromNative(const base::NativeEvent& native_event) {
+base::TimeTicks EventTimeFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
-  return base::TimeDelta();
+  return base::TimeTicks();
 }
 
 gfx::Point EventLocationFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return gfx::Point();
 }
 
 gfx::Point EventSystemLocationFromNative(
     const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
@@ skipping 100 matching lines @@
   return 0;
 }
 
 uint16_t UnmodifiedTextFromNative(const base::NativeEvent& native_event) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 
 }  // namespace ui