Revert of Remove EF_FUNCTION_KEY and EF_NUMPAD_KEY.

ui/events/blink/blink_event_util.cc

 // Copyright 2015 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.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "ui/events/blink/blink_event_util.h"
 
 #include <cmath>
@@ skipping 159 matching lines @@
   if (flags & EF_LEFT_MOUSE_BUTTON)
     modifiers |= blink::WebInputEvent::LeftButtonDown;
   if (flags & EF_MIDDLE_MOUSE_BUTTON)
     modifiers |= blink::WebInputEvent::MiddleButtonDown;
   if (flags & EF_RIGHT_MOUSE_BUTTON)
     modifiers |= blink::WebInputEvent::RightButtonDown;
   if (flags & EF_CAPS_LOCK_DOWN)
     modifiers |= blink::WebInputEvent::CapsLockOn;
   if (flags & EF_IS_REPEAT)
     modifiers |= blink::WebInputEvent::IsAutoRepeat;
+  if (flags & EF_NUMPAD_KEY)
+    modifiers |= blink::WebInputEvent::IsKeyPad;
 
   return modifiers;
 }
 
 WebGestureEvent CreateWebGestureEvent(const GestureEventDetails& details,
                                       base::TimeDelta timestamp,
                                       const gfx::PointF& location,
                                       const gfx::PointF& raw_location,
                                       int flags) {
   WebGestureEvent gesture;
@@ skipping 104 matching lines @@
 }
 
 WebGestureEvent CreateWebGestureEventFromGestureEventData(
     const GestureEventData& data) {
   return CreateWebGestureEvent(data.details, data.time - base::TimeTicks(),
                                gfx::PointF(data.x, data.y),
                                gfx::PointF(data.raw_x, data.raw_y), data.flags);
 }
 
 }  // namespace ui