Add missing using statements for JNI types.

ui/shell_dialogs/select_file_dialog_android.cc

 // Copyright (c) 2012 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 "select_file_dialog_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/logging.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "jni/SelectFileDialog_jni.h"
 #include "ui/android/window_android.h"
 #include "ui/shell_dialogs/selected_file_info.h"
 
 using base::android::ConvertJavaStringToUTF8;
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
 
 namespace ui {
 
 // static
 SelectFileDialogImpl* SelectFileDialogImpl::Create(Listener* listener,
                                                    SelectFilePolicy* policy) {
   return new SelectFileDialogImpl(listener, policy);
 }
 
 void SelectFileDialogImpl::OnFileSelected(
@@ skipping 114 matching lines @@
   NOTIMPLEMENTED();
   return false;
 }
 
 SelectFileDialog* CreateSelectFileDialog(SelectFileDialog::Listener* listener,
                                          SelectFilePolicy* policy) {
   return SelectFileDialogImpl::Create(listener, policy);
 }
 
 }  // namespace ui