Initial CL for Data Saver (Flywheel) prompt when cellular network detected

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 5521 matching lines @@
     Chrome's language has changed from "<ph name="FROM_LOCALE">$1<ex>Italian</ex></ph>" to "<ph name="TO_LOCALE">$2<ex>English (United States)</ex></ph>" after syncing your settings.
   </message>
   <message name="IDS_LOCALE_CHANGE_REVERT_MESSAGE" desc="Link to revert a change.">
     Change back to "<ph name="FROM_LOCALE">$1<ex>Italian</ex></ph>" (requires sign-out)
   </message>
 
   <!-- 3G data Notifications -->
   <message name="IDS_3G_NOTIFICATION_MESSAGE" desc="Text of the 3G data notification telling that 3G data is enabled.">
     Google Chrome will use mobile data if you're not connected to another network.
   </message>
+  <message name="IDS_3G_DATASAVER_TITLE" desc="Title of the 3G data notification prompting user to install Data Saver.">
+    You are using mobile data
+  </message>
+  <message name="IDS_3G_DATASAVER_MESSAGE" desc="Text of the 3G data notification prompting user to install Data Saver.">
+    Save data and browser faster using Google Data Saver. Click to learn more.

[stevenjb, 2015/04/03 20:07:26]

s/browser/browse/

[Greg Levin, 2015/04/03 22:17:33]

Done.

+  </message>
 
   <!-- chrome://mobilesetup strings -->
   <message name="IDS_MOBILE_SETUP_TITLE" desc="ChromeOS mobile device activation page title">
     Mobile data service management
   </message>
   <message name="IDS_MOBILE_CONNECTING_HEADER" desc="Mobile connection page header while connecting to the provider">
     Connecting to <ph name="PROVIDER_NAME">$1<ex>Acme Mobile</ex></ph>
   </message>
   <message name="IDS_MOBILE_ERROR_HEADER" desc="Mobile connection page header when connection error occur">
     Connection error
@@ skipping 525 matching lines @@
   <message name="IDS_FLAGS_DISABLE_RESOLVE_TIMEZONE_BY_GEOLOCATION_NAME" desc="Title for the flag to disable automatic timezone update on user location change.">
     Disable automatic timezone update by geolocation
   </message>
   <message name="IDS_FLAGS_DISABLE_RESOLVE_TIMEZONE_BY_GEOLOCATION_DESCRIPTION" desc="Description for the flag to disable user setting to automatically update timezone by user geolocation.">
     If set, automatic timezone update by the current geolocation is turned off.
   </message>
   <message name="IDS_OPTIONS_RESOLVE_TIMEZONE_BY_GEOLOCATION_DESCRIPTION" desc="Label for checkbox to allow automatic timezone update by user geolocation.">
     Set time zone automatically using your location
   </message>
 </grit-part>