Prepare for Unified Gesture Recognizer landing in Aura

content/common/input/synthetic_web_input_event_builders.cc

Index: content/common/input/synthetic_web_input_event_builders.cc
diff --git a/content/common/input/synthetic_web_input_event_builders.cc b/content/common/input/synthetic_web_input_event_builders.cc
index 2fcca34afb73bc9878c14511225ca545da3b58ef..4a8a9c9a5c6712274e8947e749b8a362adb44810 100644
--- a/content/common/input/synthetic_web_input_event_builders.cc
+++ b/content/common/input/synthetic_web_input_event_builders.cc
@@ -6,6 +6,7 @@
 
 #include "base/logging.h"
 #include "content/common/input/web_touch_event_traits.h"
+#include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 namespace content {
@@ -147,7 +148,9 @@ WebGestureEvent SyntheticWebGestureEventBuilder::BuildFling(
   return result;
 }
 
-SyntheticWebTouchEvent::SyntheticWebTouchEvent() : WebTouchEvent() {}
+SyntheticWebTouchEvent::SyntheticWebTouchEvent() : WebTouchEvent() {
+  SetTimestamp(ui::EventTimeForNow());
+}
 
 void SyntheticWebTouchEvent::ResetPoints() {
   int point = 0;