[autofill] Add support for PSL domain matching for password autofill.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 1af366615ae812baf8537cb536d080f250583d7f..ca37fe5229268747cc1a111c7d56f52e7fca9343 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -7157,6 +7157,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ENABLE_PASSWORD_GENERATION_DESCRIPTION" desc="Description of flag to enable password generation.">
         Allow the user to have Chrome generate passwords when it detects account creation pages.
       </message>
+      <message name="IDS_FLAGS_ENABLE_PASSWORD_AUTOFILL_PUBLIC_SUFFIX_DOMAIN_MATCHING_NAME" desc="Name of the flag to enable public suffix domain matching for autofill of passwords.">
+        Enable public suffix domain matching for autofill of passwords.
+      </message>
+      <message name="IDS_FLAGS_ENABLE_PASSWORD_AUTOFILL_PUBLIC_SUFFIX_DOMAIN_MATCHING_DESCRIPTION" desc="Description of flag to enable public suffix domain matching for autofill of passwords.">
+        Allow the user to select username/password combinations for domains that match the same public suffix registry domain.
+      </message>
       <message name="IDS_FLAGS_PERFORMANCE_MONITOR_GATHERING_NAME" desc="Name for the flag to enable Performance Monitor.">
         Enable performance monitoring
       </message>