Add missing using statements for JNI types.

chrome/browser/ui/android/bluetooth_chooser_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/ui/android/bluetooth_chooser_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ssl/chrome_security_state_model_client.h"
 #include "chrome/common/url_constants.h"
 #include "components/url_formatter/elide_url.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/render_frame_host.h"
 #include "jni/BluetoothChooserDialog_jni.h"
 #include "ui/android/window_android.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertUTF16ToJavaString;
+using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 BluetoothChooserAndroid::BluetoothChooserAndroid(
     content::RenderFrameHost* frame,
     const EventHandler& event_handler)
     : web_contents_(content::WebContents::FromRenderFrameHost(frame)),
       event_handler_(event_handler) {
   const url::Origin origin = frame->GetLastCommittedOrigin();
   DCHECK(!origin.unique());
 
@@ skipping 132 matching lines @@
 // static
 bool BluetoothChooserAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 void BluetoothChooserAndroid::OpenURL(const char* url) {
   web_contents_->OpenURL(content::OpenURLParams(
       GURL(url), content::Referrer(), NEW_FOREGROUND_TAB,
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL, false /* is_renderer_initiated */));
 }