Add missing using statements for JNI types.

android_webview/native/android_protocol_handler.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 "android_webview/native/android_protocol_handler.h"
 
 #include <utility>
 
 #include "android_webview/browser/net/android_stream_reader_url_request_job.h"
 #include "android_webview/browser/net/aw_url_request_job_factory.h"
@@ skipping 14 matching lines @@
 #include "net/url_request/url_request_interceptor.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 
 using android_webview::AndroidStreamReaderURLRequestJob;
 using android_webview::InputStream;
 using android_webview::InputStreamImpl;
 using base::android::AttachCurrentThread;
 using base::android::ClearException;
 using base::android::ConvertUTF8ToJavaString;
+using base::android::JavaParamRef;
 using base::android::ScopedJavaGlobalRef;
 using base::android::ScopedJavaLocalRef;
 
 namespace {
 
 // Override resource context for reading resource and asset files. Used for
 // testing.
 JavaObjectWeakGlobalRef* g_resource_context = NULL;
 
 void ResetResourceContext(JavaObjectWeakGlobalRef* ref) {
@@ skipping 247 matching lines @@
   return ConvertUTF8ToJavaString(env, android_webview::kAndroidAssetPath);
 }
 
 static ScopedJavaLocalRef<jstring> GetAndroidResourcePath(
     JNIEnv* env,
     const JavaParamRef<jclass>& /*clazz*/) {
   return ConvertUTF8ToJavaString(env, android_webview::kAndroidResourcePath);
 }
 
 }  // namespace android_webview