Bug fix for 10876, file extension handling refactoring

chrome/browser/net/url_fixer_upper_unittest.cc

 // Copyright (c) 2006-2008 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 <stdlib.h>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
@@ skipping 178 matching lines @@
   if (url.length() <= 8)
     return false;
   if (std::string("file:///") != url.substr(0, 8))
     return false; // no file:/// prefix
   if (url.find('\\') != std::string::npos)
     return false; // contains backslashes
 
   FilePath derived_path;
   net::FileURLToFilePath(GURL(url), &derived_path);
 
-  FilePath::StringType derived_path_str = derived_path.value();
-  return (derived_path_str.length() == full_file_path.value().length()) &&
-      std::equal(derived_path_str.begin(),
-                 derived_path_str.end(),
-                 full_file_path.value().begin(),
-                 CaseInsensitiveCompare<FilePath::CharType>());
+  return FilePath::CompareEqualIgnoreCase(derived_path.value(),
+                                          full_file_path.value());
 }
 
 struct fixup_case {
   const std::string input;
   const std::string desired_tld;
   const std::string output;
 } fixup_cases[] = {
   {"www.google.com", "", "http://www.google.com/"},
   {" www.google.com     ", "", "http://www.google.com/"},
   {" foo.com/asdf  bar", "", "http://foo.com/asdf  bar"},
@@ skipping 244 matching lines @@
   // (should resolve to the same file as above)
   relative_file_str = sub_dir.value() + FILE_PATH_LITERAL("/../") +
       sub_dir.value() + FILE_PATH_LITERAL("///./") + sub_file.value();
   fixedup = URLFixerUpper::FixupRelativeFile(dir, FilePath(relative_file_str));
   EXPECT_TRUE(IsMatchingFileURL(fixedup, full_path));
 
   // done with the subdir
   EXPECT_TRUE(file_util::Delete(full_path, false));
   EXPECT_TRUE(file_util::Delete(new_dir, true));
 }