Add time stamp to the constructor of the events

third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp

Index: third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp
diff --git a/third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp b/third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp
index 3acf4c046e463325cb145d5ba80723d7a9fd6c98..231d3caa9279915c2528d3a7ad02b60ce08f0dee 100644
--- a/third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp
+++ b/third_party/WebKit/Source/core/events/UIEventWithKeyState.cpp
@@ -42,8 +42,9 @@ UIEventWithKeyState::UIEventWithKeyState(
       modifiers_(modifiers) {}
 
 UIEventWithKeyState::UIEventWithKeyState(const AtomicString& type,
-                                         const EventModifierInit& initializer)
-    : UIEvent(type, initializer), modifiers_(0) {
+                                         const EventModifierInit& initializer,
+                                         TimeTicks platform_time_stamp)
+    : UIEvent(type, initializer, platform_time_stamp), modifiers_(0) {
   if (initializer.ctrlKey())
     modifiers_ |= WebInputEvent::kControlKey;
   if (initializer.shiftKey())