AutoFill: Add a simple heuristic to match fax fields.

BUG=40062
TEST=FaxFieldTest

Review URL: http://codereview.chromium.org/1706005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@45146 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index b71849a1..08663f880 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -152,6 +152,8 @@
         'browser/autofill/credit_card_field.h',
         'browser/autofill/credit_card.cc',
         'browser/autofill/credit_card.h',
+        'browser/autofill/fax_field.cc',
+        'browser/autofill/fax_field.h',
         'browser/autofill/fax_number.h',
         'browser/autofill/field_types.h',
         'browser/autofill/form_field.cc',