Add missing using statements for JNI types.

ui/gl/android/surface_texture_listener.cc

 // Copyright (c) 2013 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 "ui/gl/android/surface_texture_listener.h"
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "jni/SurfaceTextureListener_jni.h"
 
+using base::android::JavaParamRef;
+
 namespace gl {
 
 SurfaceTextureListener::SurfaceTextureListener(const base::Closure& callback,
                                                bool use_any_thread)
     : callback_(callback),
       browser_loop_(base::ThreadTaskRunnerHandle::Get()),
       use_any_thread_(use_any_thread) {}
 
 SurfaceTextureListener::~SurfaceTextureListener() {
 }
@@ skipping 13 matching lines @@
     callback_.Run();
   }
 }
 
 // static
 bool SurfaceTextureListener::RegisterSurfaceTextureListener(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace gl