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

chrome/browser/autocomplete/autocomplete_field_trial.h

 // Copyright (c) 2012 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_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
-#pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 
 // This class manages the Autocomplete field trials.
 class AutocompleteFieldTrial {
  public:
   // Creates the field trial groups.
   // *** MUST NOT BE CALLED MORE THAN ONCE. ***
@@ skipping 46 matching lines @@
   // group uses "new scoring" (a complex multiplicative calculation
   // that, among other differences from "old scoring", uses word
   // break information).
   static bool InHQPNewScoringFieldTrialExperimentGroup();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutocompleteFieldTrial);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_