Add missing using statements for JNI types.

chrome/browser/android/compositor/scene_layer/tab_strip_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/tab_strip_scene_layer.h"
 
 #include "base/android/jni_android.h"
 #include "cc/resources/scoped_ui_resource.h"
 #include "chrome/browser/android/compositor/layer/tab_handle_layer.h"
 #include "chrome/browser/android/compositor/layer_title_cache.h"
 #include "content/public/browser/android/compositor.h"
 #include "jni/TabStripSceneLayer_jni.h"
 #include "ui/android/resources/resource_manager_impl.h"
 #include "ui/gfx/transform.h"
 
+using base::android::JavaParamRef;
+
 namespace chrome {
 namespace android {
 
 TabStripSceneLayer::TabStripSceneLayer(JNIEnv* env, jobject jobj)
     : SceneLayer(env, jobj),
       tab_strip_layer_(cc::SolidColorLayer::Create()),
       scrollable_strip_layer_(cc::Layer::Create()),
       new_tab_button_(cc::UIResourceLayer::Create()),
       left_fade_(cc::UIResourceLayer::Create()),
       right_fade_(cc::UIResourceLayer::Create()),
@@ skipping 296 matching lines @@
   TabStripSceneLayer* scene_layer = new TabStripSceneLayer(env, jobj);
   return reinterpret_cast<intptr_t>(scene_layer);
 }
 
 bool RegisterTabStripSceneLayer(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace chrome