Add missing using statements for JNI types.

chrome/browser/ui/android/chrome_http_auth_handler.cc

 // Copyright (c) 2012 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/chrome_http_auth_handler.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/grit/generated_resources.h"
 #include "jni/ChromeHttpAuthHandler_jni.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF16ToJavaString;
+using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 ChromeHttpAuthHandler::ChromeHttpAuthHandler(const base::string16& authority,
                                              const base::string16& explanation)
     : observer_(nullptr), authority_(authority), explanation_(explanation) {}
 
 ChromeHttpAuthHandler::~ChromeHttpAuthHandler() {}
 
 void ChromeHttpAuthHandler::Init() {
   DCHECK(java_chrome_http_auth_handler_.is_null());
@@ skipping 51 matching lines @@
   if (explanation_.empty())
     return ConvertUTF16ToJavaString(env, authority_);
   return ConvertUTF16ToJavaString(
       env, authority_ + base::ASCIIToUTF16(" ") + explanation_);
 }
 
 // static
 bool ChromeHttpAuthHandler::RegisterChromeHttpAuthHandler(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }