Add missing using statements for JNI types.

chrome/browser/android/cookies/cookies_fetcher.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 "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/time/time.h"
 #include "chrome/browser/android/cookies/cookies_fetcher.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
 #include "jni/CookiesFetcher_jni.h"
 #include "net/cookies/cookie_store.h"
 #include "net/url_request/url_request_context.h"
 
+using base::android::JavaParamRef;
+using base::android::ScopedJavaLocalRef;
+
 CookiesFetcher::CookiesFetcher(JNIEnv* env, jobject obj, Profile* profile) {
 }
 
 CookiesFetcher::~CookiesFetcher() {
 }
 
 void CookiesFetcher::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   delete this;
 }
 
@@ skipping 150 matching lines @@
 
 // JNI functions
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   return reinterpret_cast<intptr_t>(new CookiesFetcher(env, obj, 0));
 }
 
 // Register native methods
 bool RegisterCookiesFetcher(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }