[Android] Simplify "network predictions" preference to a boolean value.

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- android_chrome_strings.grd contains strings for Chrome for Android.
 
 FAQ:
   - How do I add, change, or remove a string?
       Just update this file.
   - Translations will happen automatically??
       Yes, indeed. Just add your string before the branch point and
       make the description good.
@@ skipping 316 matching lines @@
       <message name="IDS_NAVIGATION_ERROR_SUMMARY" desc="Summary for navigation error suggestions.">
         Show suggestions when a web address does not resolve or a connection cannot be made
       </message>
       <message name="IDS_SEARCH_SUGGESTIONS_TITLE" desc="Title for search and url suggestions.">
         Search and URL suggestions
       </message>
       <message name="IDS_SEARCH_SUGGESTIONS_SUMMARY" desc="Summary for search and url suggestions.">
         Use a prediction service to show related queries and popular websites as you type in the address bar
       </message>
       <message name="IDS_SAFE_BROWSING_EXTENDED_REPORTING_TITLE" desc="Title for checkbox that controls whether details of possible security incidents will be sent to Google.">
-      Security incidents
+        Security incidents
       </message>
       <message name="IDS_SAFE_BROWSING_EXTENDED_REPORTING_SUMMARY" desc="Summary for report security incidents.">
-      Automatically report details of possible security incidents to Google
+        Automatically report details of possible security incidents to Google
       </message>
       <message name="IDS_SAFE_BROWSING_TITLE" desc="Title for safe browsing.">
-      Safe Browsing
+        Safe Browsing
       </message>
       <message name="IDS_SAFE_BROWSING_SUMMARY" desc="Summary for safe browsing.">
-      Protect you and your device from dangerous sites
+        Protect you and your device from dangerous sites
       </message>
       <message name="IDS_NETWORK_PREDICTIONS_TITLE" desc="Title for Prefetch page resources.">
-        Prefetch page resources
-      </message>
-      <message name="IDS_NETWORK_PREDICTIONS_SUMMARY" desc="Summary for Prefetch page resources.">
-        Improve page load performance
-      </message>
-      <message name="IDS_NETWORK_PREDICTION_ALWAYS_VALUE" desc="Internal value for prefetch page resources preference" translateable="false">
-        network_prediction_always
-      </message>
-      <message name="IDS_NETWORK_PREDICTION_WIFI_ONLY_VALUE" desc="Internal value for prefetch page resources preference" translateable="false">
-        network_prediction_wifi_only
-      </message>
-      <message name="IDS_NETWORK_PREDICTION_NEVER_VALUE" desc="Internal value for prefetch page resources preference" translateable="false">
-        network_prediction_never
+        Use a prediction service to load pages more quickly
       </message>
       <message name="IDS_CONTEXTUAL_SEARCH_TITLE" desc="Name for the Contextual Search feature, which allows users to search for a term in a web page by tapping on it.">
         Touch to Search
       </message>
       <message name="IDS_CONTEXTUAL_SEARCH_ACTION_BAR" desc="Message shown on the action bar, to invite the user to tap to search for a term.">
         Search for “<ph name="SEARCH_TERM">%1$s<ex>Eiffel Tower</ex></ph>”
       </message>
       <message name="IDS_CONTEXTUAL_SEARCH_DESCRIPTION" desc="Description for Contextual Search preference">
         Learn about topics on websites without leaving the page. Touch to Search sends a word and its surrounding context to Google Search, returning definitions, pictures, search results, and other details.
 
@@ skipping 1057 matching lines @@
       <message name="IDS_PAGE_INFO_CONNECTION_SHA1" desc="Message to display in the page info bubble when the page is not considered private (because the connection used SHA-1 for certificate signatures, which are not considered secure anymore).">
         This site uses a weak security configuration (SHA-1 signatures), so your connection may not be private.
       </message>
       <message name="IDS_PAGE_INFO_CONNECTION_BROKEN" desc="Message to display in the page info bubble when the connection is insecure because the HTTPS certificate is invalid.">
         Your connection to this site is not private. Attackers might be trying to steal your information (for example, photos, passwords, messages and credit cards) from <ph name="DOMAIN_NAME">%1$s<ex>google.com</ex></ph>.
       </message>
       <message name="IDS_PAGE_INFO_CONNECTION_INTERNAL_PAGE" desc="Message to display in the page info bubble when the page is an internal Chrome page (e.g. the bookmarks page, or about:blank).">
         You are viewing a secure Google Chrome page.
       </message>
 
-      <!-- Network prediction internal values -->
-      <message name="IDS_NEVER_PREFETCH_BANDWIDTH_ENTRY" desc="Option to always disable the prefetching of web pages. [CHAR-LIMIT=16]">
-        Never
-      </message>
-      <message name="IDS_WIFI_PREFETCH_BANDWIDTH_ENTRY" desc="Option that enables the prefetching of web pages when connected via wi-fi. [CHAR-LIMIT=16]">
-        Only on Wi-Fi
-      </message>
-      <message name="IDS_ALWAYS_PREFETCH_BANDWIDTH_ENTRY" desc="Option to always prefetch web pages regardless of connection. [CHAR-LIMIT=16]">
-        Always
-      </message>
-
       <!-- Sad tab page -->
       <message name="IDS_SAD_TAB_SUGGESTIONS" desc="The help message displayed on the sad tab page after a tab crashes.">
         If you’re seeing this frequently, try these <ph name="BEGIN_LINK">&lt;link&gt;</ph>suggestions<ph name="END_LINK">&lt;/link&gt;</ph>.
       </message>
 
       <!-- Web Notifications API -->
       <message name="IDS_NOTIFICATION_SITE_SETTINGS_BUTTON" desc="Text of a button shown on notifications, that opens the Site Settings of the website that showed the notification. (If it isn't possible to fit within the char limit, the string will be ellipsized if 3 buttons are shown side by side, so try to ensure that the user can guess the meaning from the first 8 characters). [CHAR-LIMIT=9]">
         Settings
       </message>
       <message name="IDS_NOTIFICATION_WORK_PROFILE_BADGE_CONTENT_DESCRIPTION" desc="Content description of the work profile badge in the notification.">
@@ skipping 895 matching lines @@
       </message>
       <message name="IDS_PHYSICAL_WEB_LAUNCH_BUTTON" desc="The label for a button that opens a list of nearby URLs">
         See what's nearby
       </message>
       <message name="IDS_PHYSICAL_WEB_BOTTOM_BAR" desc="A message displayed in the nearby URLs list activity informing the user that a notification will appear whenever devices broadcasting URLs are nearby">
         Future nearby Physical Web pages will show up in your notifications list
       </message>
     </messages>
   </release>
 </grit>