Cleanup: Remove unused autofill resources or mark them as platform-specific.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 265131)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -10008,9 +10008,11 @@
         <message name="IDS_AUTOFILL_OPTIONS_TITLE" desc="The title of the Autofill dialog.">
           Autofill settings
         </message>
-        <message name="IDS_AUTOFILL_USE_MAC_ADDRESS_BOOK" desc="Checkbox label to enable Address Book on Mac.">
-          Include addresses from your Address Book card
-        </message>
+        <if expr="is_macosx">
+          <message name="IDS_AUTOFILL_USE_MAC_ADDRESS_BOOK" desc="Checkbox label to enable Address Book on Mac.">
+            Include addresses from your Address Book card
+          </message>
+        </if>
         <message name="IDS_AUTOFILL_ADDRESSES_GROUP_NAME" desc="The name of the Addresses group of the Autofill dialog.">
           Addresses
         </message>
@@ -10561,9 +10563,6 @@
         <message name="IDS_AUTOFILL_DIALOG_EDIT" desc="Text of link in autofill dialog which allows user to edit address + payment info.">
           Edit
         </message>
-        <message name="IDS_AUTOFILL_DIALOG_SECTION_EMAIL" desc="Label for the email section of the autofill dialog.">
-          Email address
-        </message>
         <message name="IDS_AUTOFILL_DIALOG_SECTION_CC" desc="Label for the credit card section of the autofill dialog.">
           Card details
         </message>
@@ -10660,12 +10659,6 @@
         <message name="IDS_AUTOFILL_DIALOG_VALIDATION_INVALID_CREDIT_CARD_EXPIRATION_DATE" desc="Message displayed to user when credit card expiration date validation fails.">
           The card is expired. Please check the date or enter a new card.
         </message>
-        <message name="IDS_AUTOFILL_DIALOG_VALIDATION_INVALID_ZIP_CODE" desc="Message displayed to user when ZIP code (postal code) validation fails.">
-          Invalid ZIP code. Please check and try again.
-        </message>
-        <message name="IDS_AUTOFILL_DIALOG_VALIDATION_INVALID_REGION" desc="Message displayed to user when the region (US state) validation fails.">
-          Invalid state. Please check and try again.
-        </message>
         <message name="IDS_AUTOFILL_DIALOG_VALIDATION_INVALID_PHONE_NUMBER" desc="Message displayed to user when phone number validation fails.">
           Invalid phone number. Please check and try again.
         </message>