MD Settings: Privacy: Show dialog when changing do-not-track

chrome/app/settings_chromium_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific Chromium strings (included from chromium_strings.grd). -->
 <grit-part>
   <!-- About Page -->
   <if expr="not chromeos">
     <message name="IDS_SETTINGS_ABOUT_PROGRAM" desc="Menu title for the About Chromium page.">
       About Chromium
     </message>
     <message name="IDS_SETTINGS_GET_HELP_USING_CHROME" desc="Text of the button which takes the user to the Chrome help page.">
       Get help with Chromium
@@ skipping 36 matching lines @@
     <message name="IDS_SETTINGS_DEFAULT_BROWSER_ERROR" desc="The text displayed when Chrome cannot determine or set the default browser">
       Chromium cannot determine or set the default browser.
     </message>
     <message name="IDS_SETTINGS_DEFAULT_BROWSER_SECONDARY" desc="The text displayed when Chromium is installed in side-by-side mode, which does not support setting as the default browser.">
       This is a secondary installation of Chromium, and cannot be made your default browser.
     </message>
   </if>
 
   <!-- Privacy Page -->
   <message name="IDS_SETTINGS_IMPROVE_BROWSING_EXPERIENCE" desc="The text in the options panel that describes how we use web services to improve browsing experience.">
-    Chromium may use web services to improve your browsing experience. You may optionally disable these services. <ph name="BEGIN_LINK">&lt;a target="_blank" href="$1"&gt;</ph>Learn more<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>

[Dan Beam, 2017/03/10 23:30:50]

don't remove this .

[stevenjb, 2017/03/10 23:58:20]

Discussed offline (UX requested this).

+    Chromium may use web services to improve your browsing experience. You may optionally disable these services <ph name="BEGIN_LINK">&lt;a target="_blank" href="$1"&gt;</ph>Learn more<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>
   </message>
 
   <!-- People Page -->
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_DELETE_PROFILE_WARNING_WITH_COUNTS_SINGULAR" desc="Warning message displayed in the Sign out of Chrome dialog that indicates profile browsing data will be removed from the device.">
     This will delete 1 item from this device. To retrieve your data later, sign in to Chromium as <ph name="USER_EMAIL">$1<ex>foo@example.com</ex></ph>.
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_DELETE_PROFILE_WARNING_WITH_COUNTS_PLURAL" desc="Warning message displayed in the Sign out of Chrome dialog that indicates profile browsing data will be removed from the device.">
     This will delete <ph name="ITEMS_COUNT">$1<ex>66</ex></ph> items from this device. To retrieve your data later, sign in to Chromium as <ph name="USER_EMAIL">$2<ex>foo@example.com</ex></ph>.
   </message>
   <message name="IDS_SETTINGS_SYNC_DISCONNECT_DELETE_PROFILE_WARNING_WITHOUT_COUNTS" desc="Warning message displayed in the Sign out of Chrome dialog that indicates profile browsing data will be removed from the device.">
@@ skipping 34 matching lines @@
     <message name="IDS_SETTINGS_SYSTEM_BACKGROUND_APPS_LABEL" desc="Label for the checkbox to allow apps to run in the background, when Chrome is closed.">
       Continue running background apps when Chromium is closed
     </message>
   </if>
 
   <!-- Reset Page -->
   <message name="IDS_SETTINGS_RESET_PROFILE_FEEDBACK" desc="Feedback label in the Reset Profile Settings dialog">
     Help make Chromium better by reporting the <ph name="BEGIN_LINK">&lt;a is="action-link" target="_blank"&gt;</ph>current settings<ph name="END_LINK">&lt;/a&gt;</ph>
   </message>
 </grit-part>