Linux: Remove --wm-user-time-ms command line argument

ui/events/platform/x11/x11_event_source.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_H_
 #define UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 52 matching lines @@
   // For those that know X11, this is really a wrapper around XWindowEvent
   // which still makes sure the preempted event is dispatched instead of
   // dropped on the floor. This method exists because mapping a window is
   // asynchronous (and we receive an XEvent when mapped), while there are also
   // functions which require a mapped window.
   void BlockUntilWindowMapped(XID window);
 
   void BlockUntilWindowUnmapped(XID window);
 
   XDisplay* display() { return display_; }
-  Time last_seen_server_time() const { return last_seen_server_time_; }
-
-  // Explicitly asks the X11 server for the current timestamp, and updates
-  // |last_seen_server_time_| with this value.
-  Time UpdateLastSeenServerTime();
-
-  // Sets |last_seen_server_time_| to |time| if this would cause the time to
-  // move forward.
-  void SetLastSeenServerTime(Time time);
 
   // Returns the timestamp of the event currently being dispatched.  Falls back
-  // on UpdateLastSeenServerTime() if there's no event being dispatched, or if
-  // the current event does not have a timestamp.
+  // on GetCurrentServerTime() if there's no event being dispatched, or if the
+  // current event does not have a timestamp.
   Time GetTimestamp();
 
   void StopCurrentEventStream();
   void OnDispatcherListChanged();
 
  protected:
   // Extracts cookie data from |xevent| if it's of GenericType, and dispatches
   // the event. This function also frees up the cookie data after dispatch is
   // complete.
   void ExtractCookieDataDispatchEvent(XEvent* xevent);
 
   // Handles updates after event has been dispatched.
   void PostDispatchEvent(XEvent* xevent);
 
   // Block until receiving a structure notify event of |type| on |window|.
   // Dispatch all encountered events prior to the one we're blocking on.
   void BlockOnWindowStructureEvent(XID window, int type);
 
+  // Explicitly asks the X11 server for the current timestamp, and updates
+  // |last_seen_server_time_| with this value.
+  Time GetCurrentServerTime();
+
  private:
   static X11EventSource* instance_;
 
   X11EventSourceDelegate* delegate_;
 
   // The connection to the X11 server used to receive the events.
   XDisplay* display_;
 
-  // The last timestamp seen in an XEvent.
-  Time last_seen_server_time_;
-
   // The timestamp of the event being dispatched.
   Time event_timestamp_;
 
   // State necessary for UpdateLastSeenServerTime
   bool dummy_initialized_;
   XWindow dummy_window_;
   XAtom dummy_atom_;
 
   // Keeps track of whether this source should continue to dispatch all the
   // available events.
   bool continue_stream_ = true;
 
   std::unique_ptr<X11HotplugEventHandler> hotplug_event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(X11EventSource);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_PLATFORM_X11_X11_EVENT_SOURCE_H_