Change the passwords warning on Mac as the Keychain becomes deprecated.

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 947 matching lines @@
         <message name="IDS_SYNC_UNAVAILABLE_ERROR_BUBBLE_VIEW_MESSAGE" desc="Message in the sign-in error notification when sync is not available for their domain.">
           Chromium OS could not sync your data because Sync is not available for your domain.
         </message>
         <message name="IDS_SYNC_OTHER_SIGN_IN_ERROR_BUBBLE_VIEW_MESSAGE" desc="Message in the sign-in error notification when there's an error signing in.">
           Chromium OS could not sync your data due to an error signing in.
         </message>
       </if>
 
       <if expr="is_macosx">
         <message name="IDS_OPTIONS_PASSWORDS_MAC_WARNING" desc="The warning for OS X that passwords are shared across profiles in the keychain.">
-          On Mac, passwords are saved to your Keychain and may be accessed or synced by other Chromium users sharing this OS X account.
+          On Mac, passwords may be saved to your Keychain and accessed or synced by other Chromium users sharing this OS X account.
         </message>
         <message name="IDS_AUTOFILL_ADDRESS_BOOK_PROMPT_DESCRIPTION" desc="Text to show in dialog requesting permission to access the user's Address Book contents.">
           Details from your contacts can help you fill out forms more quickly in Chromium.
         </message>
       </if>
 
       <message name="IDS_AUTOFILL_DIALOG_SAVE_LOCALLY_CHECKBOX" desc="Checkbox that controls whether info the user types into the autofill dialog is saved by chrome.">
         Save details in Chromium
       </message>
       <message name="IDS_AUTOFILL_DIALOG_SAVE_LOCALLY_TOOLTIP" desc="Tooltip which explains function of checkbox that controls whether info the user types into the autofill dialog is saved by chrome.">
@@ skipping 413 matching lines @@
         </message>
         <message name="IDS_WIN_PROMPT_TO_CLOSE_APPS_FOR_DESKTOP"
                  desc="Modal message box prompt shown to the user after requesting to relaunch in Desktop mode while packaged apps are running, which will require all packaged apps to be closed and then restarted. Dialog is shown with choices: OK, Cancel.">
           Relaunching in Desktop mode will close and relaunch your Chromium apps.
         </message>
       </if>
 
     </messages>
   </release>
 </grit>