Move Renderer-side NPObject owner tracking to JavaBridgeChannel.

content/browser/renderer_host/java/java_bridge_channel_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_CHANNEL_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_CHANNEL_HOST_H_
 
 #include "content/child/np_channel_base.h"
 
 namespace content {
@@ skipping 15 matching lines @@
   // NPChannelBase override:
   virtual bool Init(base::MessageLoopProxy* ipc_message_loop,
                     bool create_pipe_now,
                     base::WaitableEvent* shutdown_event) OVERRIDE;
 
  protected:
   // NPChannelBase override:
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
-  JavaBridgeChannelHost() {}
   friend class base::RefCountedThreadSafe<JavaBridgeChannelHost>;
+  JavaBridgeChannelHost();
   virtual ~JavaBridgeChannelHost();
 
   static NPChannelBase* ClassFactory() {
     return new JavaBridgeChannelHost();
   }
 
   // Message handlers
   void OnGenerateRouteID(int* route_id);
 
+  // Dummy NPObject owner Id used to track objects received from the Renderer.
+  scoped_ptr<struct _NPP> peer_owner_id_;
+
   DISALLOW_COPY_AND_ASSIGN(JavaBridgeChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_CHANNEL_HOST_H_