Prune some remnants of DSA client certificate support.

chrome/browser/ui/android/ssl_client_certificate_request.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/android/ssl_client_certificate_request.h"
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/basictypes.h"
@@ skipping 35 matching lines @@
     scoped_ptr<content::ClientCertificateDelegate> delegate) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   // Build the |key_types| JNI parameter, as a String[]
   std::vector<std::string> key_types;
   for (size_t n = 0; n < cert_request_info->cert_key_types.size(); ++n) {
     switch (cert_request_info->cert_key_types[n]) {
       case net::CLIENT_CERT_RSA_SIGN:
         key_types.push_back("RSA");
         break;
-      case net::CLIENT_CERT_DSS_SIGN:
-        key_types.push_back("DSA");
-        break;
       case net::CLIENT_CERT_ECDSA_SIGN:
         key_types.push_back("ECDSA");
         break;
       default:
         // Ignore unknown types.
         break;
     }
   }
 
   JNIEnv* env = base::android::AttachCurrentThread();
@@ skipping 135 matching lines @@
     net::SSLCertRequestInfo* cert_request_info,
     scoped_ptr<content::ClientCertificateDelegate> delegate) {
   ui::WindowAndroid* window =
       WindowAndroidHelper::FromWebContents(contents)->GetWindowAndroid();
   DCHECK(window);
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   StartClientCertificateRequest(cert_request_info, window, delegate.Pass());
 }
 
 }  // namespace chrome