Add time stamp to the constructor of the events

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

Index: third_party/WebKit/Source/core/events/Event.cpp
diff --git a/third_party/WebKit/Source/core/events/Event.cpp b/third_party/WebKit/Source/core/events/Event.cpp
index 082f1da5bafc87db7cea460f6758d9c2ee17c15e..ffb20274fd9b64524a5285048380c61d7a97914e 100644
--- a/third_party/WebKit/Source/core/events/Event.cpp
+++ b/third_party/WebKit/Source/core/events/Event.cpp
@@ -97,13 +97,15 @@ Event::Event(const AtomicString& event_type,
       current_target_(nullptr),
       platform_time_stamp_(platform_time_stamp) {}
 
-Event::Event(const AtomicString& event_type, const EventInit& initializer)
+Event::Event(const AtomicString& event_type,
+             const EventInit& initializer,
+             TimeTicks platform_time_stamp)
     : Event(event_type,
             initializer.bubbles(),
             initializer.cancelable(),
             initializer.composed() ? ComposedMode::kComposed
                                    : ComposedMode::kScoped,
-            TimeTicks::Now()) {}
+            platform_time_stamp) {}
 
 Event::~Event() {}