Cache Autofill heuristics regexes

chrome/browser/autofill/autofill_scanner.cc

 // 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.
 
 #include "chrome/browser/autofill/autofill_scanner.h"
 
 #include "base/logging.h"
 #include "chrome/browser/autofill/autofill_field.h"
-#include "unicode/regex.h"
 
 AutofillScanner::AutofillScanner(
     const std::vector<const AutofillField*>& fields)
     : cursor_(fields.begin()),
       end_(fields.end()) {
 }
 
 AutofillScanner::~AutofillScanner() {
 }
 
@@ skipping 17 matching lines @@
 
 void AutofillScanner::Rewind() {
   DCHECK(!saved_cursors_.empty());
   cursor_ = saved_cursors_.back();
   saved_cursors_.pop_back();
 }
 
 void AutofillScanner::SaveCursor() {
   saved_cursors_.push_back(cursor_);
 }
-
-namespace autofill {
-
-bool MatchString(const string16& input, const string16& pattern) {
-  UErrorCode status = U_ZERO_ERROR;
-  icu::UnicodeString icu_pattern(pattern.data(), pattern.length());
-  icu::UnicodeString icu_input(input.data(), input.length());
-  icu::RegexMatcher matcher(icu_pattern, icu_input,
-                            UREGEX_CASE_INSENSITIVE, status);
-  DCHECK(U_SUCCESS(status));
-
-  UBool match = matcher.find(0, status);
-  DCHECK(U_SUCCESS(status));
-  return !!match;
-}
-
-}  // namespace autofill
-