Prune some remnants of DSA client certificate support.

android_webview/native/aw_contents_client_bridge.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 "android_webview/native/aw_contents_client_bridge.h"
 
 #include "android_webview/common/devtools_instrumentation.h"
 #include "android_webview/native/aw_contents.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 130 matching lines @@
   if (obj.is_null())
     return;
 
   // Build the |key_types| JNI parameter, as a String[]
   std::vector<std::string> key_types;
   for (size_t i = 0; i < cert_request_info->cert_key_types.size(); ++i) {
     switch (cert_request_info->cert_key_types[i]) {
       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;
     }
   }
 
   ScopedJavaLocalRef<jobjectArray> key_types_ref =
@@ skipping 232 matching lines @@
   pending_client_cert_request_delegates_.Remove(request_id);
 
   delete delegate;
 }
 
 bool RegisterAwContentsClientBridge(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android_webview