Track NPObject ownership by the originating plugins' NPP identifier. [4/6] (Chrome)

content/child/npobject_stub.h

 // Copyright 2013 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.
 //
 // A class that receives IPC messages from an NPObjectProxy and calls the real
 // NPObject.
 
 #ifndef CONTENT_CHILD_NPOBJECT_STUB_H_
 #define CONTENT_CHILD_NPOBJECT_STUB_H_
 
@@ skipping 22 matching lines @@
                      public NPObjectBase {
  public:
   NPObjectStub(NPObject* npobject,
                NPChannelBase* channel,
                int route_id,
                int render_view_id,
                const GURL& page_url);
   virtual ~NPObjectStub();
 
   // Schedules tear-down of this stub.  The underlying NPObject reference is
-  // released, and further invokations form the IPC channel will fail once this
+  // released, and further invokations from the IPC channel will fail once this
   // call has returned.  Deletion of the stub is deferred to the main loop, in
   // case it is touched as the stack unwinds.  DeleteSoon() is safe to call
   // more than once, until control returns to the main loop.
   void DeleteSoon();
 
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // NPObjectBase implementation.
   virtual NPObject* GetUnderlyingNPObject() OVERRIDE;
@@ skipping 36 matching lines @@
   int route_id_;
   int render_view_id_;
 
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_NPOBJECT_STUB_H_