Remove #pragma once from chrome/browser/{printing,safe_browsing,prefs,bookmarks,autocomplete}

chrome/browser/prefs/proxy_prefs.h

 // Copyright (c) 2011 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 CHROME_BROWSER_PREFS_PROXY_PREFS_H_
 #define CHROME_BROWSER_PREFS_PROXY_PREFS_H_
-#pragma once
 
 #include <string>
 
 namespace ProxyPrefs {
 
 // Possible types of specifying proxy settings. Do not change the order of
 // the constants, because numeric values are exposed to users.
 // If you add an enum constant, you should also add a string to
 // kProxyModeNames in the .cc file.
 enum ProxyMode {
@@ skipping 46 matching lines @@
 bool StringToProxyMode(const std::string& in_value,
                        ProxyMode* out_value);
 // Ownership of the return value is NOT passed to the caller.
 const char* ProxyModeToString(ProxyMode mode);
 
 bool DoesPrefPrecede(ConfigState config_state);
 
 }  // namespace ProxyPrefs
 
 #endif  // CHROME_BROWSER_PREFS_PROXY_PREFS_H_