Remove #pragma once from content

content/browser/geolocation/osx_wifi.h

 // Copyright (c) 2010 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.
 
 // The remainder of this file is copied from the Gears project:
 // http://code.google.com/p/gears/source/browse/trunk/gears/geolocation/osx_wifi.h
 
 // The contents of this file are taken from Apple80211.h from the iStumbler
 // project (http://www.istumbler.net). This project is released under the BSD
 // license with the following restrictions.
@@ skipping 26 matching lines @@
 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 // This is the reverse engineered header for the Apple80211 private framework.
 // The framework can be found at
 // /System/Library/PrivateFrameworks/Apple80211.framework.
 
 #ifndef CONTENT_BROWSER_GEOLOCATION_OSX_WIFI_H_
 #define CONTENT_BROWSER_GEOLOCATION_OSX_WIFI_H_
-#pragma once
 
 #include <CoreFoundation/CoreFoundation.h>
 
 extern "C" {
 
 typedef SInt32 WIErr;
 
 // A WirelessContext should be created using WirelessAttach
 // before any other Wireless functions are called. WirelessDetach
 // is used to dispose of a WirelessContext.
@@ skipping 36 matching lines @@
 //
 // If stripDups != 0 only one bases tation for each SSID will be returned.
 typedef WIErr (*WirelessScanSplitFunction)(WirelessContext* inContext,
                                            CFArrayRef* apList,
                                            CFArrayRef* adhocList,
                                            const UInt32 stripDups);
 
 }  // extern "C"
 
 #endif  // CONTENT_BROWSER_GEOLOCATION_OSX_WIFI_H_