Implement end-preview flow with views

chrome/app/google_chrome_strings.grd

Index: chrome/app/google_chrome_strings.grd
diff --git a/chrome/app/google_chrome_strings.grd b/chrome/app/google_chrome_strings.grd
index b1501aec37c4a61956fc23512dae1f1022cce01f..339feb40a8eb85d34c18498d7d024e1e2cbc1faa 100644
--- a/chrome/app/google_chrome_strings.grd
+++ b/chrome/app/google_chrome_strings.grd
@@ -759,6 +759,9 @@ For Google Chrome, processes used to display diagnostics information (such as th
       <message name="IDS_PROFILES_PREVIEW_TUTORIAL_CONTENT_TEXT" desc="The main content of the tutorial card in the avatar menu bubble view that asks the user to preview the new profile management UI.">
        Try the new way to use Chrome with your Google Account and on shared computers.
       </message>
+      <message name="IDS_PROFILES_FEEDBACK_TUTORIAL_CONTENT_TEXT" desc="The main content of the tutorial card in the avatar menu bubble view that asks the user to send feedback about the new profile management UI.">
+       You're previewing the new Chrome.
+      </message>
 
       <!-- Account removal view in the avatar menu bubble -->
       <message name="IDS_PROFILES_ACCOUNT_REMOVAL_TEXT" desc="Main text of the account removal view when removing a secondary account.">
@@ -768,6 +771,11 @@ For Google Chrome, processes used to display diagnostics information (such as th
         You're using <ph name="PROFILE_EMAIL">$1<ex>jessica@gmail.com</ex></ph> to sync your Chrome stuff. To update your sync preference or to use Chrome without a Google account, visit <ph name="SETTINGS_LINK">$2<ex>settings</ex></ph>.
       </message>
 
+      <!-- End-preview view in the avatar menu bubble -->
+      <message name="IDS_PROFILES_END_PREVIEW_TEXT" desc="Main text of the end-preview view.">
+        Thanks for trying out the new Chrome. Chrome needs to restart to make sure you've saved any open work before continuing.
+      </message>
+
       <!-- Sync Promo New Tab Page bubble strings -->
       <message name="IDS_SYNC_PROMO_NTP_BUBBLE_MESSAGE_NEW" desc="The body of the sync promo NTP bubble.">
         Now that you're signed in, you can get your tabs, bookmarks and other Chrome stuff across your laptop, phone and tablet. You will also receive more relevant suggestions and features on Google services.