Handle the case where IAttachmentExecute::Save() deletes a downloaded file.

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 2521 matching lines @@
         Your computer is doing too many things right now.  Try again later.
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_VIRUS"
                desc="This file contains a virus.  We recommend not downloading it.">
         Virus Detected
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_VIRUS"
                desc="Download page message: Virus.">
         This file was blocked by anti-virus software.
       </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_BLOCKED"
+               desc="The download was blocked due to local policy.">
+        Blocked
+      </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_BLOCKED"
+               desc="Download page message: Blocked.">
+        The download was blocked due to local security policy.
+      </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_NETWORK_TIMEOUT"
                desc="Network Timeout.">
         Network Timeout
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_NETWORK_TIMEOUT"
                desc="Download page message: Network Timeout.">
         The download was taking too long and was stopped by the network.
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_NETWORK_DISCONNECTED"
                desc="Network Disconnected.">
@@ skipping 12180 matching lines @@
 
     <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>