Add missing using statements for JNI types.

chrome/browser/android/data_usage/data_use_tab_ui_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/data_usage/data_use_tab_ui_manager_android.h"
 
 #include <stdint.h>
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/data_usage/data_use_ui_tab_model.h"
 #include "chrome/browser/android/data_usage/data_use_ui_tab_model_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/sessions/core/session_id.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/DataUseTabUIManager_jni.h"
 #include "net/android/network_library.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/l10n/l10n_util.h"
 
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
+
 namespace {
 
 // Represents the IDs for string messages used by data use snackbar and
 // interstitial dialog. A Java counterpart will be generated for this enum.
 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.datausage
 enum DataUseUIMessage {
   DATA_USE_TRACKING_STARTED_SNACKBAR_MESSAGE,
   DATA_USE_TRACKING_SNACKBAR_ACTION,
   DATA_USE_TRACKING_ENDED_SNACKBAR_MESSAGE,
   DATA_USE_TRACKING_ENDED_TITLE,
@@ skipping 146 matching lines @@
 jboolean IsNonRoamingCellularConnection(JNIEnv* env,
                                         const JavaParamRef<jclass>& clazz) {
   return net::NetworkChangeNotifier::IsConnectionCellular(
              net::NetworkChangeNotifier::GetConnectionType()) &&
          !net::android::GetIsRoaming();
 }
 
 bool RegisterDataUseTabUIManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }