Make third-party cookie blocking strict by default

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 4675 matching lines @@
       <if expr="pp_ifdef('android')">
         <message name="IDS_FLAGS_EXPERIMENTAL_LOCATION_FEATURES_DESCRIPTION" desc="Description of the 'Enable experimental location features' lab.">
           Enables experimental extensions to the geolocation feature. Includes using operating system location APIs (where available), and sending additional local network configuration data to the Google location service to provide higher accuracy positioning.
         </message>
       </if>
       <if expr="not pp_ifdef('android')">
         <message name="IDS_FLAGS_EXPERIMENTAL_LOCATION_FEATURES_DESCRIPTION" desc="Description of the 'Enable experimental location features' lab.">
           Enables experimental extensions to the geolocation feature to use operating system location APIs (where available).
         </message>
       </if>
-      <message name="IDS_FLAGS_BLOCK_ALL_THIRD_PARTY_COOKIES_NAME" desc="Name of the 'Block all third-party cookies' lab.">
-        Block all third-party cookies
-      </message>
-      <message name="IDS_FLAGS_BLOCK_ALL_THIRD_PARTY_COOKIES_DESCRIPTION" desc="Description of the 'Block all third-party cookies' lab.">
-        When the option to block third-party cookies from being set is enabled, also block third-party cookies from being read.
-      </message>
       <message name="IDS_FLAGS_DISABLE_INTERACTIVE_FORM_VALIDATION_NAME" desc="Name of the 'Disable HTML5 interactive form validation' lab.">
         Disable HTML5 interactive form validation
       </message>
       <message name="IDS_FLAGS_DISABLE_INTERACTIVE_FORM_VALIDATION_DESCRIPTION" desc="Description of the 'Disable HTML5 interactive form validation' lab.">
         Disable showing validation messages and preventing form submission.
       </message>
       <message name="IDS_FLAGS_STATIC_IP_CONFIG_NAME" desc="Name of the static ip config lab.">
         Experimental static ip configuration
       </message>
       <message name="IDS_FLAGS_STATIC_IP_CONFIG_DESCRIPTION" desc="Description of the static ip config lab.">
@@ skipping 1187 matching lines @@
       <message name="IDS_COOKIES_SESSION_ONLY_RADIO" desc="A radio button in the Content Settings dialog for allowing cookies and other site data for the current session only.">
         Allow local data to be set for the current session only
       </message>
       <message name="IDS_COOKIES_BLOCK_RADIO" desc="A radio button in the Content Settings dialog for blocking cookies and other site data from being stored on your computer.">
         Block sites from setting any data
       </message>
       <message name="IDS_COOKIES_EXCEPTIONS_BUTTON" desc="A button in the Content Settings dialog for opening cookie storing exception rules dialog.">
         Exceptions...
       </message>
       <message name="IDS_COOKIES_BLOCK_3RDPARTY_CHKBOX" desc="A checkbox in the Content Settings dialog for blocking all 3rd party cookies.">
-        Block third-party cookies from being set
+        Block third-party cookies and site data
       </message>
       <message name="IDS_INTENTS_TAB_LABEL" desc="Label for Web Intents tab on Content Settings page">
         Web Intents
       </message>
 
       <!-- Mac users do not close their browser; they quit it. -->
       <if expr="not is_macosx">
         <message name="IDS_COOKIES_CLEAR_WHEN_CLOSE_CHKBOX" desc="A checkbox in the Content Settings dialog for removing all cookies on when browser is closed.">
           Clear cookies and other site data when I close my browser
         </message>
@@ skipping 8676 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>