Don't dllexport anonymous class GestureConfigurationAura

ui/events/gesture_detection/gesture_configuration_aura.cc

 // 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.
 
 #include "ui/events/gesture_detection/gesture_configuration.h"
 
 #include "base/command_line.h"
 #include "ui/events/event_switches.h"
 
 namespace ui {
 namespace {
 
-class GESTURE_DETECTION_EXPORT GestureConfigurationAura
-    : public GestureConfiguration {
+class GestureConfigurationAura : public GestureConfiguration {
  public:
   ~GestureConfigurationAura() override {
   }
 
   static GestureConfigurationAura* GetInstance() {
     return Singleton<GestureConfigurationAura>::get();
   }
 
  private:
   GestureConfigurationAura() : GestureConfiguration() {
@@ skipping 15 matching lines @@
 };
 
 }  // namespace
 
 // Create a GestureConfigurationAura singleton instance when using aura.
 GestureConfiguration* GestureConfiguration::GetInstance() {
   return GestureConfigurationAura::GetInstance();
 }
 
 }  // namespace ui