Remove unused gesture event builder on windows

ui/events/blink/web_input_event.cc

 // Copyright 2016 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.
 
 #include "ui/events/blink/web_input_event.h"
 
 #include "ui/events/base_event_utils.h"
 #include "ui/events/blink/blink_event_util.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
@@ skipping 71 matching lines @@
       pointer_type);
 }
 
 blink::WebKeyboardEvent MakeWebKeyboardEventFromNativeEvent(
     const base::NativeEvent& native_event,
     const base::TimeTicks& time_stamp) {
   return WebKeyboardEventBuilder::Build(
       native_event.hwnd, native_event.message, native_event.wParam,
       native_event.lParam, ui::EventTimeStampToSeconds(time_stamp));
 }
-
-blink::WebGestureEvent MakeWebGestureEventFromNativeEvent(
-    const base::NativeEvent& native_event,
-    const base::TimeTicks& time_stamp) {
-  // TODO: Create gestures from native event.
-  NOTIMPLEMENTED();
-  return blink::WebGestureEvent();
-}
-
 #endif  // defined(OS_WIN)
 
 blink::WebKeyboardEvent MakeWebKeyboardEventFromUiEvent(const KeyEvent& event) {
   blink::WebKeyboardEvent webkit_event;
 
   webkit_event.timeStampSeconds = EventTimeStampToSeconds(event.time_stamp());
   webkit_event.modifiers = EventFlagsToWebEventModifiers(event.flags()) |
                            DomCodeToWebInputEventModifiers(event.code());
 
   switch (event.type()) {
@@ skipping 232 matching lines @@
     return webkit_event;
   }
 #endif
   return MakeWebKeyboardEventFromUiEvent(event);
 }
 
 blink::WebGestureEvent MakeWebGestureEvent(
     const GestureEvent& event,
     const base::Callback<gfx::Point(const ui::LocatedEvent& event)>&
         screen_location_callback) {
-  blink::WebGestureEvent gesture_event;
-#if defined(OS_WIN)
-  if (event.HasNativeEvent())
-    gesture_event = MakeWebGestureEventFromNativeEvent(event.native_event(),
-                                                       event.time_stamp());
-  else
-    gesture_event = MakeWebGestureEventFromUIEvent(event);
-#else
-  gesture_event = MakeWebGestureEventFromUIEvent(event);
-#endif
+  blink::WebGestureEvent gesture_event = MakeWebGestureEventFromUIEvent(event);
 
   gesture_event.x = event.x();
   gesture_event.y = event.y();
 
   const gfx::Point screen_point =
       GetScreenLocationFromEvent(event, screen_location_callback);
   gesture_event.globalX = screen_point.x();
   gesture_event.globalY = screen_point.y();
 
   return gesture_event;
 }
 
 blink::WebGestureEvent MakeWebGestureEvent(
     const ScrollEvent& event,
     const base::Callback<gfx::Point(const ui::LocatedEvent& event)>&
         screen_location_callback) {
-  blink::WebGestureEvent gesture_event;
-
-#if defined(OS_WIN)
-  gesture_event = MakeWebGestureEventFromNativeEvent(event.native_event(),
-                                                     event.time_stamp());
-#else
-  gesture_event = MakeWebGestureEventFromUiEvent(event);
-#endif
-
+  blink::WebGestureEvent gesture_event = MakeWebGestureEventFromUiEvent(event);
   gesture_event.x = event.x();
   gesture_event.y = event.y();
 
   const gfx::Point screen_point =
       GetScreenLocationFromEvent(event, screen_location_callback);
   gesture_event.globalX = screen_point.x();
   gesture_event.globalY = screen_point.y();
 
   return gesture_event;
 }
@@ skipping 81 matching lines @@
   webkit_event.tiltX = roundf(event.pointer_details().tilt_x);
   webkit_event.tiltY = roundf(event.pointer_details().tilt_y);
   webkit_event.force = event.pointer_details().force;
   webkit_event.pointerType =
       EventPointerTypeToWebPointerType(event.pointer_details().pointer_type);
 
   return webkit_event;
 }
 
 }  // namespace ui