Cache Autofill heuristics regexes

Runtime for FormStructureBrowserTest.DataDrivenHeuristics decreased from 2.4s to 1.5s
In particular, the test now spends 61ms in AutofillManager::ParseForms, down from 738ms.

BUG=72242
TEST=unit_tests --gtest_filter=Autofill*:FormStructure*, browser_tests --gtest_filter=Autofill*:FormStructure*

Review URL: http://codereview.chromium.org/7066043

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@87710 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index c80cfd3..a505502 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -164,6 +164,8 @@
         'browser/autofill/autofill_metrics.h',
         'browser/autofill/autofill_profile.cc',
         'browser/autofill/autofill_profile.h',
+        'browser/autofill/autofill_regexes.cc',
+        'browser/autofill/autofill_regexes.h',
         'browser/autofill/autofill_scanner.cc',
         'browser/autofill/autofill_scanner.h',
         'browser/autofill/autofill_type.cc',