*Really* fix the network diagnostics executable path under XP.

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 7135 matching lines @@
           Start &gt; Control Panel &gt; Network Connections &gt; New Connection Wizard
           <ph name="END_BOLD">&lt;/strong&gt;</ph>
           to test your connection.
         </message>
         <message name="IDS_ERRORPAGES_SUMMARY_INTERNET_DISCONNECTED_PLATFORM_XP" desc="Summary (platform dependent section) in the error page when the network connection failed.  Describes how to get to the network Diagnostics screen under Windows XP.">
           Click
           <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>Start<ph name="END_BOLD">&lt;/strong&gt;</ph>,
           click
           <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>Run<ph name="END_BOLD">&lt;/strong&gt;</ph>,
           type
-          <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>%windir%&#92;network diagnostic&#92;xpnetdiag.exe<ph name="END_BOLD">&lt;/strong&gt;</ph>,
+          <!-- GRIT maps \n to line breaks, but leaves \\'s alone, so we need to be a bit more creative in escaping backslashes. -->
+          <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>%windir%&amp;#92;network diagnostic&amp;#92;xpnetdiag.exe<ph name="END_BOLD">&lt;/strong&gt;</ph>,
           and then click
           <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>OK<ph name="END_BOLD">&lt;/strong&gt;</ph>.
         </message>
       </if>
 
       <message name="IDS_ERRORPAGES_SUMMARY_CACHE_MISS" desc="Summary in the error page when we couldn't find a resource in the cache, and cannot fall back to the network.">
         The webpage was not found in the cache.  Certain resources
         can only be safely loaded from the cache, such as pages generated
         from submitted data.
         <ph name="LINE_BREAK">&lt;br /&gt;&lt;br /&gt;</ph>
@@ skipping 7566 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>