Added displayId to Gamepad

third_party/WebKit/Source/modules/gamepad/Gamepad.cpp

 /*
  * Copyright (C) 2011, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * DAMAGE.
  */
 
 #include "modules/gamepad/Gamepad.h"
 
 namespace blink {
 
 Gamepad::Gamepad()
     : m_index(0)
     , m_timestamp(0)
+    , m_displayId(0)
 {
 }
 
 Gamepad::~Gamepad()
 {
 }
 
 void Gamepad::setAxes(unsigned count, const double* data)
 {
     m_axes.resize(count);
@@ skipping 46 matching lines @@
     }
 }
 
 DEFINE_TRACE(Gamepad)
 {
     visitor->trace(m_buttons);
     visitor->trace(m_pose);
 }
 
 } // namespace blink