options: Open Google Dashboard link in a new tab

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 369074104497a4b00c19648aac79257e6c88f473..cc5c851f969c424f12188750545f6ea728cd4041 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -10354,7 +10354,7 @@ Some features may be unavailable.  Please check that the profile exists and you
         Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>.
       </message>
       <message name="IDS_SYNC_ACCOUNT_SYNCING_TO_USER_WITH_MANAGE_LINK" desc="The message that appears in the options dialog indicating that account is syncing to a user with the given email address, together with a link to manage their data (where supported, or not possible through the application)">
-        Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>. Manage your synced data on <ph name="BEGIN_LINK">&lt;a href="$2"&gt;</ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;.</ph>
+        Signed in as <ph name="USER_EMAIL_ADDRESS">$1<ex>foo@gmail.com</ex></ph>. Manage your synced data on <ph name="BEGIN_LINK">&lt;a href="$2" target=&quot;_blank&quot;&gt;</ph>Google Dashboard<ph name="END_LINK">&lt;/a&gt;.</ph>
       </message>
       <message name="IDS_SYNC_ACCOUNT_DETAILS_NOT_ENTERED" desc="The sync setup is underway and the user has not yet entered credentials.">
         Account sign-in details are not yet entered.