Add missing using statements for JNI types.

content/common/android/resource_request_body_android.cc

 // Copyright 2016 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 "content/common/android/resource_request_body_android.h"
 
 #include <jni.h>
 
 #include <string>
 
 #include "base/android/jni_array.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/page_state_serialization.h"
 #include "content/public/common/resource_request_body.h"
 #include "jni/ResourceRequestBody_jni.h"
 
+using base::android::JavaParamRef;
+
 namespace content {
 
 namespace {
 
 base::android::ScopedJavaLocalRef<jbyteArray>
 ConvertResourceRequestBodyToJavaArray(JNIEnv* env,
                                       const ResourceRequestBodyImpl& body) {
   std::string encoded = EncodeResourceRequestBody(body);
   return base::android::ToJavaByteArray(
       env, reinterpret_cast<const uint8_t*>(encoded.data()), encoded.size());
@@ skipping 52 matching lines @@
     return nullptr;
 
   std::vector<uint8_t> encoded;
   base::android::JavaByteArrayToByteVector(env, j_encoded.obj(), &encoded);
 
   return DecodeResourceRequestBody(
       reinterpret_cast<const char*>(encoded.data()), encoded.size());
 }
 
 }  // namespace content