Add missing using statements for JNI types.

content/shell/browser/shell_mojo_test_utils_android.cc

 // Copyright 2014 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/shell/browser/shell_mojo_test_utils_android.h"
 
 #include <utility>
 
 #include "base/location.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/public/browser/android/interface_provider_android.h"
 #include "content/public/browser/android/interface_registry_android.h"
 #include "jni/ShellMojoTestUtils_jni.h"
 #include "services/shell/public/cpp/interface_provider.h"
 #include "services/shell/public/cpp/interface_registry.h"
 
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
+
 namespace {
 
 struct TestEnvironment {
   base::MessageLoop message_loop;
   std::vector<std::unique_ptr<shell::InterfaceRegistry>> registries;
   std::vector<std::unique_ptr<shell::InterfaceProvider>> providers;
   std::vector<std::unique_ptr<content::InterfaceRegistryAndroid>>
       registry_wrappers;
   std::vector<std::unique_ptr<content::InterfaceProviderAndroid>>
       provider_wrappers;
@@ skipping 56 matching lines @@
       base::TimeDelta::FromMilliseconds(timeout_ms));
   base::RunLoop run_loop;
   run_loop.Run();
 }
 
 bool RegisterShellMojoTestUtils(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content