Add .ocx to the list of dangerous extensions

BUG=118256
TEST=none


Review URL: http://codereview.chromium.org/9700075

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@128181 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/download/download_extensions.cc

@@ -143,7 +143,7 @@ static const struct Executables {
   { "msi", AllowOnUserGesture },
   { "msp", AllowOnUserGesture },
   { "mst", AllowOnUserGesture },
-  { "ocx", AllowOnUserGesture },
+  { "ocx", Dangerous },
   { "ops", AllowOnUserGesture },
   { "pcd", AllowOnUserGesture },
   { "pif", AllowOnUserGesture },