[subresource_filter] Make placeholder strings untranslateable

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 12075 matching lines @@
     </if>
     <if expr="not use_titlecase">
       <message  name="IDS_FILTERED_DECEPTIVE_CONTENT_PROMPT_TITLE" desc="Title of the prompt which is shown to inform the user when Chrome blocks some potentially deceptive content on the site. This happens as an additional layer of protection when users proceed through the Safe Browsing interstitial to view the site regardless.">
         Content blocked
       </message>
     </if>
     <message  name="IDS_FILTERED_DECEPTIVE_CONTENT_PROMPT_EXPLANATION" desc="Explanation text for the prompt which is shown to the user after clicking through Safe Browsing interstitial.">
       Chrome has blocked parts of this site to protect you from potentially deceptive content.
     </message>
 
-    <message name="IDS_SUBRESOURCE_FILTER_HEADER" desc="Header for the subresource filter setting on the Content Settings dialog.">
+    <message name="IDS_SUBRESOURCE_FILTER_HEADER" desc="Header for the subresource filter setting on the Content Settings dialog." translateable="false">
        Subresource Filter
     </message>
-    <message name="IDS_SUBRESOURCE_FILTER_ALLOW_RADIO" desc="A radio button on the Content Settings dialog to allow subresource filter use.">
+    <message name="IDS_SUBRESOURCE_FILTER_ALLOW_RADIO" desc="A radio button on the Content Settings dialog to allow subresource filter use." translateable="false">
       Allow the Subresource Filter to perform filtering
     </message>
-    <message name="IDS_SUBRESOURCE_FILTER_BLOCK_RADIO" desc="A radio button on the Content Settings dialog to block subresource filter use on all sites.">
+    <message name="IDS_SUBRESOURCE_FILTER_BLOCK_RADIO" desc="A radio button on the Content Settings dialog to block subresource filter use on all sites." translateable="false">
       Do not allow Subresource Filter to perform filtering
     </message>
     <if expr="is_win">
       <message name="IDS_UTILITY_PROCESS_SHELL_HANDLER_NAME" desc="The name of the utility process used to handle shell operations.">
         Shell Handler
       </message>
     </if>
 
     <!-- Welcome page (chrome://welcome) strings -->
     <if expr="not chromeos">
@@ skipping 61 matching lines @@
       Your downloads appear here
     </message>
 
     <!-- Automation info bar -->
     <message name="IDS_CONTROLLED_BY_AUTOMATION" desc="Message shown when the browser session is being controlled by an automated test.">
       Chrome is being controlled by automated test software.
     </message>
   </messages>
  </release>
 </grit>