Add time stamp to the constructor of the events

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

Index: third_party/WebKit/Source/core/events/UIEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/UIEvent.cpp b/third_party/WebKit/Source/core/events/UIEvent.cpp
index a8bd651f9ff4159be38ebc009c002b2190c96698..3356ba6015db97fc030fcf935f17f86f84e1dab4 100644
--- a/third_party/WebKit/Source/core/events/UIEvent.cpp
+++ b/third_party/WebKit/Source/core/events/UIEvent.cpp
@@ -45,8 +45,10 @@ UIEvent::UIEvent(const AtomicString& event_type,
       detail_(detail_arg),
       source_capabilities_(source_capabilities_arg) {}
 
-UIEvent::UIEvent(const AtomicString& event_type, const UIEventInit& initializer)
-    : Event(event_type, initializer),
+UIEvent::UIEvent(const AtomicString& event_type,
+                 const UIEventInit& initializer,
+                 TimeTicks platform_time_stamp)
+    : Event(event_type, initializer, platform_time_stamp),
       view_(initializer.view()),
       detail_(initializer.detail()),
       source_capabilities_(initializer.sourceCapabilities()) {}