Add time stamp to the constructor of the events

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

Index: third_party/WebKit/Source/core/events/MouseEvent.cpp
diff --git a/third_party/WebKit/Source/core/events/MouseEvent.cpp b/third_party/WebKit/Source/core/events/MouseEvent.cpp
index ae1da564be060c79e755b2e07b32b77cddc9a3e5..0feea1f37cdf3c2ce7e96c025090f290b3902c2d 100644
--- a/third_party/WebKit/Source/core/events/MouseEvent.cpp
+++ b/third_party/WebKit/Source/core/events/MouseEvent.cpp
@@ -229,8 +229,9 @@ MouseEvent::MouseEvent(const AtomicString& event_type,
 }
 
 MouseEvent::MouseEvent(const AtomicString& event_type,
-                       const MouseEventInit& initializer)
-    : UIEventWithKeyState(event_type, initializer),
+                       const MouseEventInit& initializer,
+                       TimeTicks platform_time_stamp)
+    : UIEventWithKeyState(event_type, initializer, platform_time_stamp),
       screen_location_(
           DoublePoint(initializer.screenX(), initializer.screenY())),
       movement_delta_(