Add missing using statements for JNI types.

chrome/browser/android/webapk/manifest_upgrade_detector.cc

 // Copyright 2016 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/webapk/manifest_upgrade_detector.h"
 
 #include <jni.h>
 
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/shortcut_info.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/manifest.h"
 #include "jni/ManifestUpgradeDetector_jni.h"
 #include "url/gurl.h"
 
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
+
 namespace {
 
 // Returns whether the given |url| is within the scope of the |scope| url.
 bool IsInScope(const GURL& url, const GURL& scope) {
   return base::StartsWith(url.spec(), scope.spec(),
                          base::CompareCase::SENSITIVE);
 }
 
 }  // anonymous namespace
 
@@ skipping 106 matching lines @@
       env, java_ref_.obj(),
       java_url.obj(),
       java_scope.obj(),
       java_name.obj(),
       java_short_name.obj(),
       info.display,
       info.orientation,
       info.theme_color,
       info.background_color);
 }