Add missing using statements for JNI types.

android_webview/native/aw_contents_statics.cc

 // Copyright 2014 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 "android_webview/native/aw_contents_statics.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
 #include "android_webview/common/aw_version_info_values.h"
 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/callback.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/common/url_constants.h"
 #include "jni/AwContentsStatics_jni.h"
 #include "net/cert/cert_database.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertJavaStringToUTF8;
+using base::android::JavaParamRef;
 using base::android::ScopedJavaGlobalRef;
+using base::android::ScopedJavaLocalRef;
 using content::BrowserThread;
 
 namespace android_webview {
 
 namespace {
 
 void ClientCertificatesCleared(ScopedJavaGlobalRef<jobject>* callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   JNIEnv* env = AttachCurrentThread();
   Java_AwContentsStatics_clientCertificatesCleared(env, callback->obj());
@@ skipping 50 matching lines @@
   AwContentsIoThreadClientImpl::SetServiceWorkerIoThreadClient(
       io_thread_client, browser_context);
 }
 
 
 bool RegisterAwContentsStatics(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android_webview