Add missing using statements for JNI types.

chrome/browser/android/compositor/scene_layer/static_tab_scene_layer.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 "chrome/browser/android/compositor/scene_layer/static_tab_scene_layer.h"
 
 #include "cc/layers/layer.h"
 #include "chrome/browser/android/compositor/layer/content_layer.h"
 #include "chrome/browser/android/compositor/layer_title_cache.h"
 #include "chrome/browser/android/compositor/tab_content_manager.h"
 #include "content/public/browser/android/compositor.h"
 #include "jni/StaticTabSceneLayer_jni.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/android/resources/resource_manager_impl.h"
 
+using base::android::JavaParamRef;
+
 namespace chrome {
 namespace android {
 
 StaticTabSceneLayer::StaticTabSceneLayer(JNIEnv* env, jobject jobj)
     : SceneLayer(env, jobj),
       last_set_tab_id_(-1),
       background_color_(SK_ColorWHITE),
       brightness_(1.f) {
 }
 
@@ skipping 101 matching lines @@
   StaticTabSceneLayer* scene_layer = new StaticTabSceneLayer(env, jobj);
   return reinterpret_cast<intptr_t>(scene_layer);
 }
 
 bool RegisterStaticTabSceneLayer(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace chrome