Add missing using statements for JNI types.

chrome/browser/android/banners/app_banner_manager_android.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/banners/app_banner_manager_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/banners/app_banner_data_fetcher_android.h"
 #include "chrome/browser/android/shortcut_helper.h"
 #include "chrome/browser/banners/app_banner_metrics.h"
 #include "chrome/common/chrome_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "jni/AppBannerManager_jni.h"
 
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertUTF16ToJavaString;
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(banners::AppBannerManagerAndroid);
 
 namespace {
 
 const char kPlayPlatform[] = "play";
 const char kReferrerName[] = "referrer";
 const char kIdName[] = "id";
 const char kPlayInlineReferrer[] = "playinline=chrome_inline";
 
@@ skipping 194 matching lines @@
 }
 
 // static
 void SetTimeDeltaForTesting(JNIEnv* env,
                             const JavaParamRef<jclass>& clazz,
                             jint days) {
   AppBannerDataFetcher::SetTimeDeltaForTesting(days);
 }
 
 }  // namespace banners