Make ProtocolHandlerRegistry use 307 to redirect instead of 302.

BUG=161769


Review URL: https://chromiumcodereview.appspot.com/11663003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176128 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/custom_handlers/protocol_handler_registry.cc

@@ -150,7 +150,7 @@ net::URLRequestJob* ProtocolHandlerRegistry::IOThreadDelegate::MaybeCreateJob(
 
   return new net::URLRequestRedirectJob(
       request, network_delegate, translated_url,
-      net::URLRequestRedirectJob::REDIRECT_302_FOUND);
+      net::URLRequestRedirectJob::REDIRECT_307_TEMPORARY_REDIRECT);
 }
 
 // JobInterceptorFactory -------------------------------------------------------