Add missing using statements for JNI types.

chrome/browser/spellchecker/spellchecker_session_bridge_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/spellchecker/spellchecker_session_bridge_android.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "components/spellcheck/common/spellcheck_messages.h"
 #include "components/spellcheck/common/spellcheck_result.h"
 #include "content/public/browser/render_process_host.h"
 #include "jni/SpellCheckerSessionBridge_jni.h"
 
+using base::android::JavaParamRef;
+
 SpellCheckerSessionBridge::SpellCheckerSessionBridge(int render_process_id)
     : render_process_id_(render_process_id) {}
 
 SpellCheckerSessionBridge::~SpellCheckerSessionBridge() {}
 
 // static
 bool SpellCheckerSessionBridge::RegisterJNI(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
@@ skipping 76 matching lines @@
   java_object_.Reset();
 }
 
 SpellCheckerSessionBridge::SpellingRequest::SpellingRequest(
     int route_id,
     int identifier,
     const base::string16& text)
     : route_id(route_id), identifier(identifier), text(text) {}
 
 SpellCheckerSessionBridge::SpellingRequest::~SpellingRequest() {}