Revert "Fix a ton of compiler warnings."

chrome/browser/importer/firefox_importer_utils.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/importer/firefox_importer_utils.h"
 
 #include <algorithm>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_model.h"
 #include "chrome/browser/search_engines/template_url_parser.h"
 #include "googleurl/src/gurl.h"
 
 namespace {
 
 // FirefoxURLParameterFilter is used to remove parameter mentioning Firefox from
 // the search URL when importing search engines.
 class FirefoxURLParameterFilter : public TemplateURLParser::ParameterFilter {
  public:
-  FirefoxURLParameterFilter() {}
-  virtual ~FirefoxURLParameterFilter() {}
+  FirefoxURLParameterFilter() { }
+  ~FirefoxURLParameterFilter() { }
 
   // TemplateURLParser::ParameterFilter method.
   virtual bool KeepParameter(const std::string& key,
                              const std::string& value) {
     std::string low_value = StringToLowerASCII(value);
     if (low_value.find("mozilla") != std::string::npos ||
         low_value.find("firefox") != std::string::npos ||
         low_value.find("moz:") != std::string::npos )
       return false;
     return true;
@@ skipping 287 matching lines @@
   std::vector<std::string> urls;
   SplitString(default_homepages, '|', &urls);
 
   for (size_t i = 0; i < urls.size(); ++i) {
     if (homepage.spec() == GURL(urls[i]).spec())
       return true;
   }
 
   return false;
 }