Change the one-click sign in confirmation bubble into a modal dialog

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 813 matching lines @@
       <!-- Sync promo page chrome://signin -->
       <message name="IDS_SYNC_PROMO_V_LEARN_MORE" desc="Learn more link at the bottom of the sync promo.">
         See <ph name="BEGIN_LINK">&lt;a target="_blank" href="$1"&gt;</ph>more benefits<ph name="END_LINK">&lt;/a&gt;</ph> of signing in to Chromium.
       </message>
       <message name="IDS_SYNC_DIFFERENT_EMAIL" desc="Error message to display when setting up sync for a second time and the user name is different from the previous user name.">
         You were previously signed in with a different account, signing in will merge your data. Consider creating a new Chromium user via the <ph name="BEGIN_LINK">&lt;a href="chrome://settings/search#Users" target="_parent"&gt;</ph>settings page<ph name="END_LINK">&lt;/a&gt;</ph> for your Chromium stuff.
       </message>
 
       <!-- One click sign in infobar -->
       <if expr="not pp_ifdef('chromeos')">
+        <message name="IDS_ONE_CLICK_SIGNIN_DIALOG_TITLE" desc="The title of the modal dialog window that opens when the user chooses to use one click sign in.">
+          You're signed in to Chromium!
+        </message>
         <message name="IDS_ONE_CLICK_SIGNIN_INFOBAR_MESSAGE" desc="The string shown in the infobar explaining that the user can connect his profile to a Google account instead of logging in only here.">
           Use this Google Account to sync all your Chromium stuff?
         </message>
         <message name="IDS_ONE_CLICK_SIGNIN_BUBBLE_MESSAGE" desc="The body of the sync promo NTP bubble.">
           You're now signed in to Chromium! Your bookmarks, history, and other settings will be synced to your Google Account.
         </message>
         <message name="IDS_ONE_CLICK_SIGNIN_DIALOG_HEADING" desc="The heading of the reverse auto-login dialog.">
           Sign in to Chromium
         </message>
       </if>
@@ skipping 100 matching lines @@
       <!-- App list -->
       <message name="IDS_APP_LIST_SHORTCUT_NAME" desc="Name for the Chromium App List to appear in the taskbar and in any shortcuts to it.">
         Chromium Apps Launcher
       </message>
       <message name="IDS_APP_LIST_OPT_IN_TEXT" desc="Text to appear in the prompt to use the Chrome app list.">
         Use the Chromium Apps Launcher to launch your apps.
       </message>
     </messages>
   </release>
 </grit>