Implement the new Sync Confirmation dialog on Linux and Windows.

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 eac42fb6ab5c166ea1a2d4093695a8a567794fdb..ce58f9a2ace1b5f353a9c5a833fe97fb38e856b7 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -10913,6 +10913,20 @@ I don't think this site should be blocked!
         </message>
       </if>
 
+      <!--  Sync Confirmation section of the tab modal signin flow -->
+      <message name="IDS_SYNC_CONFIRMATION_TITLE" desc="Title of the sync confirmation dialog in the tab modal signin flow">
+        You're now signed in to Chrome
+      </message>
+      <message name="IDS_SYNC_CONFIRMATION_BODY" desc="Body of the sync confirmation dialog in the tab modal signin flow">
+        Your bookmarks, history, passwords and other settings will be synced to your Google Account so you can use them wherever you use Chrome. You can change this in <ph name="BEGIN_LINK">&lt;a id="settingsLink" href="#"&gt;Settings&lt;/a&gt;.</ph>

[Dan Beam, 2016/01/22 01:26:57]

ugh, bummer (using innerHTML for this and stuffing HTML and IDs into
translations :/)

[anthonyvd, 2016/01/22 17:19:56]

Agreed. IIRC I built it this way because that's how I've seen it in other
places. Is there a better way?

+      </message>
+      <message name="IDS_SYNC_CONFIRMATION_CONFIRM_BUTTON_LABEL" desc="Label of the confirmation button in the sync confirmation dialog of the tab modal signin flow">
+        Ok, got it
+      </message>
+      <message name="IDS_SYNC_CONFIRMATION_UNDO_BUTTON_LABEL" desc="Label of the undo button in the sync confirmation dialog of the tab modal signin flow">
+        Undo
+      </message>
+
       <message name="IDS_PLUGIN_OUTDATED_PROMPT" desc="Info Bar message when an outdated plugin was disabled">
         <ph name="PLUGIN_NAME">$1<ex>Flash</ex></ph> was blocked because it is out of date.
       </message>