Add missing using statements for JNI types.

chrome/browser/ssl/security_state_model_android.cc

 // Copyright 2015 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/ssl/security_state_model_android.h"
 
 #include "base/logging.h"
 #include "chrome/browser/ssl/chrome_security_state_model_client.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/SecurityStateModel_jni.h"
 
+using base::android::JavaParamRef;
+
 // static
 bool RegisterSecurityStateModelAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 // static
 jint GetSecurityLevelForWebContents(
     JNIEnv* env,
     const JavaParamRef<jclass>& jcaller,
     const JavaParamRef<jobject>& jweb_contents) {
@@ skipping 33 matching lines @@
   ChromeSecurityStateModelClient::CreateForWebContents(web_contents);
   ChromeSecurityStateModelClient* model_client =
       ChromeSecurityStateModelClient::FromWebContents(web_contents);
   DCHECK(model_client);
   return model_client->GetSecurityInfo().mixed_content_status ==
              security_state::SecurityStateModel::DISPLAYED_MIXED_CONTENT ||
          model_client->GetSecurityInfo().mixed_content_status ==
              security_state::SecurityStateModel::
                  RAN_AND_DISPLAYED_MIXED_CONTENT;
 }