android: Don't pass ScopedJavaGlobalRef pointers.

content/browser/android/app_web_message_port_service_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_APP_WEB_MESSAGE_PORT_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_APP_WEB_MESSAGE_PORT_SERVICE_IMPL_H_
 
 #include <map>
 
 #include "base/android/jni_weak_ref.h"
@@ skipping 16 matching lines @@
   // Returns the AppWebMessagePortServiceImpl singleton.
   static AppWebMessagePortServiceImpl* GetInstance();
 
   AppWebMessagePortServiceImpl();
   ~AppWebMessagePortServiceImpl() override;
   void Init(JNIEnv* env, jobject object);
 
   // AppWebMessagePortService implementation
 
   void CreateMessageChannel(JNIEnv* env,
-                            jobjectArray ports,
+                            const base::android::JavaRef<jobjectArray>& ports,
                             WebContents* web_contents) override;
   void CleanupPort(int message_port_id) override;
 
   // Methods called from Java.
   void PostAppToWebMessage(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& object,
       int sender_id,
       const base::android::JavaParamRef<jstring>& message,
       const base::android::JavaParamRef<jintArray>& sent_ports);
@@ skipping 18 matching lines @@
   friend struct base::DefaultSingletonTraits<AppWebMessagePortServiceImpl>;
 
   void PostAppToWebMessageOnIOThread(int sender_id,
                                      base::string16* message,
                                      std::vector<int>* sent_ports);
   void CreateMessageChannelOnIOThread(
       scoped_refptr<AppWebMessagePortMessageFilter> filter,
       int* port1,
       int* port2);
   void OnMessageChannelCreated(
-      base::android::ScopedJavaGlobalRef<jobjectArray>* ports,
+      const base::android::JavaRef<jobjectArray>& ports,
       int* port1,
       int* port2);
   void AddPort(int message_port_id, AppWebMessagePortMessageFilter* filter);
   void PostClosePortMessage(int message_port_id);
 
   JavaObjectWeakGlobalRef java_ref_;
   typedef std::map<int, AppWebMessagePortMessageFilter*> MessagePorts;
   MessagePorts ports_;  // Access on IO thread
 
   DISALLOW_COPY_AND_ASSIGN(AppWebMessagePortServiceImpl);
 };
 
 bool RegisterAppWebMessagePortService(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_APP_WEB_MESSAGE_PORT_SERVICE_IMPL_H_