Add missing using declarations in cronet code.

components/cronet/android/cronet_upload_data_stream_adapter.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 "components/cronet/android/cronet_upload_data_stream_adapter.h"
 
 #include <string>
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/cronet/android/cronet_url_request_adapter.h"
 #include "jni/CronetUploadDataStream_jni.h"
 
+using base::android::JavaParamRef;
+
 namespace cronet {
 
 CronetUploadDataStreamAdapter::CronetUploadDataStreamAdapter(
     JNIEnv* env,
     jobject jupload_data_stream) {
   jupload_data_stream_.Reset(env, jupload_data_stream);
 }
 
 CronetUploadDataStreamAdapter::~CronetUploadDataStreamAdapter() {
 }
@@ skipping 113 matching lines @@
     jlong jlength,
     jlong jadapter) {
   CronetUploadDataStreamAdapter* adapter =
       reinterpret_cast<CronetUploadDataStreamAdapter*>(jadapter);
   CronetUploadDataStream* upload_data_stream =
       new CronetUploadDataStream(adapter, jlength);
   return reinterpret_cast<jlong>(upload_data_stream);
 }
 
 }  // namespace cronet