Cache Autofill heuristics regexes

chrome/browser/autofill/autofill_scanner.cc

Index: chrome/browser/autofill/autofill_scanner.cc
diff --git a/chrome/browser/autofill/autofill_scanner.cc b/chrome/browser/autofill/autofill_scanner.cc
index 6526fcc0812b0c78cbb239cea7c95a4e7a7183d1..1fd8a7ec9973ed44d0edd4e61f92a380e3cfc1ca 100644
--- a/chrome/browser/autofill/autofill_scanner.cc
+++ b/chrome/browser/autofill/autofill_scanner.cc
@@ -6,7 +6,6 @@
 
 #include "base/logging.h"
 #include "chrome/browser/autofill/autofill_field.h"
-#include "unicode/regex.h"
 
 AutofillScanner::AutofillScanner(
     const std::vector<const AutofillField*>& fields)
@@ -44,21 +43,3 @@ void AutofillScanner::Rewind() {
 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
-