Add missing using statements for JNI types.

content/app/android/child_process_service_impl.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 "content/app/android/child_process_service_impl.h"
 
 #include <android/native_window_jni.h>
 #include <cpu-features.h>
 
 #include "base/android/jni_array.h"
 #include "base/android/library_loader/library_loader_hooks.h"
 #include "base/android/memory_pressure_listener_android.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/posix/global_descriptors.h"
 #include "content/child/child_thread_impl.h"
 #include "content/public/common/content_descriptors.h"
 #include "gpu/ipc/common/android/surface_texture_manager.h"
 #include "gpu/ipc/common/android/surface_texture_peer.h"
 #include "gpu/ipc/common/gpu_surface_lookup.h"
 #include "ipc/ipc_descriptors.h"
 #include "jni/ChildProcessServiceImpl_jni.h"
 #include "ui/gl/android/scoped_java_surface.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::JavaIntArrayToIntVector;
+using base::android::JavaParamRef;
 
 namespace content {
 
 namespace {
 
 // TODO(sievers): Use two different implementations of this depending on if
 // we're in a renderer or gpu process.
 class SurfaceTextureManagerImpl : public gpu::SurfaceTextureManager,
                                   public gpu::SurfaceTexturePeer,
                                   public gpu::GpuSurfaceLookup {
@@ skipping 142 matching lines @@
 
 bool RegisterChildProcessServiceImpl(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 void ShutdownMainThread(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   ChildThreadImpl::ShutdownThread();
 }
 
 }  // namespace content