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

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 70af81385a0e372716fb340bafafdf7e4740be01..875717865282565190720256a6bfc00bfb715e57 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -2640,7 +2640,23 @@ Psst! Incognito mode <ph name="SHORTCUT_KEY">$1<ex>(Ctrl+Shift+N)</ex></ph> may
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_VIRUS"
                desc="Download page message: Virus.">
-        This file was blocked by anti-virus software.
+        Anti-virus software detected a virus.
+      </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_BLOCKED"
+               desc="The download was blocked due to security policy.">
+        Blocked
+      </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_BLOCKED"
+               desc="Download page message: The download was blocked due to security policy on this machine.">
+        Security settings on your computer blocked this file.
+      </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_SECURITY_CHECK_FAILED"
+               desc="The security check performed on this download failed unexpectedly">
+        Virus Scan Failed
+      </message>
+      <message name="IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_SECURITY_CHECK_FAILED"
+               desc="Download page message: The security check performed on this download failed unexpectedly">
+        Anti-virus software failed unexpectedly while scanning this file.
       </message>
       <message name="IDS_DOWNLOAD_INTERRUPTED_STATUS_NETWORK_TIMEOUT"
                desc="Network Timeout.">