Fix broken links in desktop-environment-integration.md

Close #4404.

docs/tutorial/desktop-environment-integration.md

@@ -294,15 +294,15 @@ window.setRepresentedFilename('/etc/passwd');
 window.setDocumentEdited(true);
 ```
 
-[addrecentdocument]: ../api/app.md#appaddrecentdocumentpath
-[clearrecentdocuments]: ../api/app.md#appclearrecentdocuments
-[setusertaskstasks]: ../api/app.md#appsetusertaskstasks
-[setprogressbar]: ../api/browser-window.md#browserwindowsetprogressbarprogress
-[setrepresentedfilename]: ../api/browser-window.md#browserwindowsetrepresentedfilenamefilename
-[setdocumentedited]: ../api/browser-window.md#browserwindowsetdocumenteditededited
+[addrecentdocument]: ../api/app.md#appaddrecentdocumentpath-os-x-windows
+[clearrecentdocuments]: ../api/app.md#appclearrecentdocuments-os-x-windows
+[setusertaskstasks]: ../api/app.md#appsetusertaskstasks-windows
+[setprogressbar]: ../api/browser-window.md#winsetprogressbarprogress
+[setrepresentedfilename]: ../api/browser-window.md#winsetrepresentedfilenamefilename-os-x
+[setdocumentedited]: ../api/browser-window.md#winsetdocumenteditededited-os-x
 [app-registration]: http://msdn.microsoft.com/en-us/library/windows/desktop/ee872121(v=vs.85).aspx
 [unity-launcher]: https://help.ubuntu.com/community/UnityLaunchersAndDesktopFiles#Adding_shortcuts_to_a_launcher
-[setthumbarbuttons]: ../api/browser-window.md#browserwindowsetthumbarbuttonsbuttons
+[setthumbarbuttons]: ../api/browser-window.md#winsetthumbarbuttonsbuttons-windows-7
 [tray-balloon]: ../api/tray.md#traydisplayballoonoptions-windows
 [app-user-model-id]: https://msdn.microsoft.com/en-us/library/windows/desktop/dd378459(v=vs.85).aspx
 [notification-spec]: https://developer.gnome.org/notification-spec/