[MD User Menu] Removes the punctuation from the sync error messages.

chrome/app/google_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are specific to
 Google Chrome. These strings will be translated for each locale that Google
 Chrome supports. If you update this file, be sure also to update
 chromium_strings.grd. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/google_chrome_strings.h" type="rc_header">
@@ skipping 1125 matching lines @@
       </message>
       <message name="IDS_UPGRADE_BUBBLE_REENABLE_TEXT" desc="Text for the upgrade bubble view full description.">
         Chrome could not update itself to the latest version, so you are missing out on awesome new features and security fixes. You need to update Chrome.
       </message>
 
       <!-- User menu errors -->
       <message name="IDS_SYNC_ERROR_USER_MENU_SUPERVISED_SIGNIN_MESSAGE" desc="Message of the out-of-date signin token error for supervised users in the header of desktop user menu.">
         Your manager must remove and add you back to Chrome.
       </message>
       <message name="IDS_SYNC_ERROR_USER_MENU_UPGRADE_MESSAGE" desc="Message of the out-of-date Chrome client error in the header of desktop user menu.">
-        Chrome is out of date.
+        Chrome is out of date
       </message>
       <message name="IDS_SYNC_ERROR_USER_MENU_UPGRADE_BUTTON" desc="Button in the header of desktop user menu that prompts the user to update Chrome to fix the out-of-date Chrome client error.">
         Update Chrome
       </message>
 
       <!-- Upgrade recovery bubble -->
       <message name="IDS_RUN_RECOVERY" desc="Text for the button the user clicks to recover Chrome and its updater.">
         Update Chrome
       </message>
       <message name="IDS_DECLINE_RECOVERY" desc="Text for the button the user clicks to decline recovery request.">
@@ skipping 28 matching lines @@
       <!-- Dialog that asks whether user wants to participate in Safe Browsing Extended Reporting -->
       <message name="IDS_FEEDBACK_SERVICE_DIALOG_TITLE" desc="Title of the dialog asking whether the user wants to upload suspected malicious files for analysis">
         Help make Chrome better
       </message>
       <message name="IDS_FEEDBACK_SERVICE_DIALOG_EXPLANATION" desc="Explanation of the dialog asking whether the user wants to upload suspected malicious files for analysis">
         You can help make Chrome safer and easier to use by automatically reporting details of possible security incidents to Google.
       </message>
       <message name="IDS_FEEDBACK_SERVICE_DIALOG_EXPLANATION_SCOUT" desc="Explanation of the dialog asking whether the user wants to upload some system information and page content for Safe Browsing analysis">
         You can help make Chrome safer and easier to use by automatically sending some system information and page content to Google to help detect dangerous apps and sites.
       </message>
-      
+
       <!-- Page Information Window -->
       <message name="IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY_NO_CT" desc="The text of the identity section when the page is secure and no Certificate Transparency information is present.">
         Chrome verified that <ph name="ISSUER">$1<ex>VeriSign</ex></ph> issued this website's certificate. The server did not supply any Certificate Transparency information.
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY_CT_VERIFIED" desc="The text of the identity section when the page is secure and a Signed Certificate Timestamp from a known Certificate Transparency log is present and valid.">
         Chrome verified that <ph name="ISSUER">$1<ex>VeriSign</ex></ph> issued this website's certificate. The server supplied valid Certificate Transparency information.
       </message>
       <message name="IDS_PAGE_INFO_SECURITY_TAB_SECURE_IDENTITY_CT_UNVERIFIED" desc="The text of the identity section when the page is secure and contains a Signed Certificate Timestamp from an unknown Certificate Transparency log.">
         Chrome verified that <ph name="ISSUER">$1<ex>VeriSign</ex></ph> issued this website's certificate. The server supplied Certificate Transparency information, but Chrome did not recognize any of the Certificate Transparency logs.
       </message>
@@ skipping 95 matching lines @@
       <message name="IDS_PRIVATE_USER_DATA_INPUT_FUTURE_DESCRIPTION" desc="Description of a security problem where the site collects private user data on an insecure page, which will result in an omnibox warning in future versions of Chrome." translateable="false">
         This page includes a password or credit card input over HTTP. A warning will appear in the URL bar starting in Chrome 56 (Jan 2017).
       </message>
       <message name="IDS_PRIVATE_USER_DATA_INPUT_DESCRIPTION" desc="Description of a security problem where the site collects private user data on an insecure page, which results in an omnibox warning." translateable="false">
         This page includes a password or credit card input over HTTP. A warning has been added the URL bar.
       </message>
 
     </messages>
   </release>
 </grit>