Add missing using statements for JNI types.

chrome/browser/android/compositor/layer_title_cache.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 "chrome/browser/android/compositor/layer_title_cache.h"
 
 #include <android/bitmap.h>
 
 #include <memory>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/ui_resource_layer.h"
 #include "chrome/browser/android/compositor/decoration_title.h"
 #include "jni/LayerTitleCache_jni.h"
 #include "ui/android/resources/resource_manager.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/size.h"
 
+using base::android::JavaParamRef;
+
 namespace chrome {
 namespace android {
 
 // static
 LayerTitleCache* LayerTitleCache::FromJavaObject(jobject jobj) {
   if (!jobj)
     return NULL;
   return reinterpret_cast<LayerTitleCache*>(Java_LayerTitleCache_getNativePtr(
       base::android::AttachCurrentThread(), jobj));
 }
@@ skipping 98 matching lines @@
            jint spinner_resource_id,
            jint spinner_incognito_resource_id) {
   LayerTitleCache* cache = new LayerTitleCache(
       env, obj, fade_width, favicon_start_padding, favicon_end_padding,
       spinner_resource_id, spinner_incognito_resource_id);
   return reinterpret_cast<intptr_t>(cache);
 }
 
 }  // namespace android
 }  // namespace chrome