Second attempt at fixing pointer lock issues with Windows HiDPI.

content/browser/renderer_host/input/web_input_event_builders_win.h

 // Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_WIN_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_WIN_H_
 
 #include <windows.h>
 
+#include "content/common/content_export.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 
 namespace content {
 
-class WebKeyboardEventBuilder {
+class CONTENT_EXPORT WebKeyboardEventBuilder {
  public:
   static blink::WebKeyboardEvent Build(HWND hwnd,
                                        UINT message,
                                        WPARAM wparam,
                                        LPARAM lparam,
                                        DWORD time_ms);
 };
 
-class WebMouseEventBuilder {
+class CONTENT_EXPORT WebMouseEventBuilder {
  public:
   static blink::WebMouseEvent Build(HWND hwnd,
                                     UINT message,
                                     WPARAM wparam,
                                     LPARAM lparam,
                                     DWORD time_ms);
 };
 
-class WebMouseWheelEventBuilder {
+class CONTENT_EXPORT WebMouseWheelEventBuilder {
  public:
   static blink::WebMouseWheelEvent Build(HWND hwnd,
                                          UINT message,
                                          WPARAM wparam,
                                          LPARAM lparam,
                                          DWORD time_ms);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_WEB_INPUT_EVENT_BUILDERS_WIN_H_