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

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index b51ae710bbf255dcaad0ebbffbbcf117a7112065..2dae36ff1bd57b6a1c63dc0348c1bf1b5da7ccb6 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -550,7 +550,7 @@ void SimulateTapWithModifiersAt(WebContents* web_contents,
 
 #if defined(USE_AURA)
 void SimulateTouchPressAt(WebContents* web_contents, const gfx::Point& point) {
-  ui::TouchEvent touch(ui::ET_TOUCH_PRESSED, point, 0, base::TimeDelta());
+  ui::TouchEvent touch(ui::ET_TOUCH_PRESSED, point, 0, base::TimeTicks());
   static_cast<RenderWidgetHostViewAura*>(
       web_contents->GetRenderWidgetHostView())
       ->OnTouchEvent(&touch);