Add missing using statements for JNI types.

chrome/browser/android/omnibox/autocomplete_controller_android.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 "chrome/browser/android/omnibox/autocomplete_controller_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 42 matching lines @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "jni/AutocompleteController_jni.h"
 #include "net/base/escape.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertJavaStringToUTF16;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::ConvertUTF16ToJavaString;
+using base::android::JavaParamRef;
 using base::android::JavaRef;
+using base::android::ScopedJavaLocalRef;
 using base::android::ToJavaIntArray;
 using bookmarks::BookmarkModel;
 using metrics::OmniboxEventProto;
 
 namespace {
 
 const int kAndroidAutocompleteProviders =
     AutocompleteClassifier::kDefaultOmniboxProviders;
 
 /**
@@ skipping 556 matching lines @@
     return;
 
   // ZeroSuggestPrefetcher deletes itself after it's done prefetching.
   new ZeroSuggestPrefetcher(profile);
 }
 
 // Register native methods
 bool RegisterAutocompleteControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }