Working towards -Wextra...

chrome/browser/privacy_blacklist/blacklist.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/privacy_blacklist/blacklist.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
@@ skipping 25 matching lines @@
 // static
 bool Blacklist::Matches(const std::string& pattern, const std::string& url) {
   if (pattern.size() > url.size())
     return false;
 
   std::string::size_type p = 0;
   std::string::size_type u = 0;
 
   while (pattern[p] != '\0' && url[u] != '\0') {
     if (pattern[p] == '@') {
-      while (pattern[++p] == '@');  // Consecutive @ are redundant.
+      while (pattern[++p] == '@') {}  // Consecutive @ are redundant.
 
       if (pattern[p] == '\0')
         return true;  // Nothing to match after the @.
 
       // Look for another wildcard to determine pattern-chunk.
       std::string::size_type tp = pattern.find_first_of("@", p);
 
       // If it must match until the end, compare the last characters.
       if (tp == std::string::npos) {
         std::string::size_type ur = url.size() - u;
@@ skipping 157 matching lines @@
 
 // static
 void Blacklist::RegisterUserPrefs(PrefService* user_prefs) {
   user_prefs->RegisterDictionaryPref(prefs::kPrivacyFilterRules);
 }
 
 // static
 std::string Blacklist::StripCookies(const std::string& header) {
   return net::HttpUtil::StripHeaders(header, cookie_headers, 2);
 }