Ensure that PP_Instance values are unique within a plugin process in addition...

ppapi/proxy/plugin_dispatcher.h

 // Copyright (c) 2011 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 PPAPI_PROXY_PLUGIN_DISPATCHER_H_
 #define PPAPI_PROXY_PLUGIN_DISPATCHER_H_
 
 #include <string>
 
 #include "base/hash_tables.h"
@@ skipping 31 matching lines @@
 
   // The plugin side maintains a mapping from PP_Instance to Dispatcher so
   // that we can send the messages to the right channel if there are multiple
   // renderers sharing the same plugin. This mapping is maintained by
   // DidCreateInstance/DidDestroyInstance.
   static PluginDispatcher* GetForInstance(PP_Instance instance);
 
   static const void* GetInterfaceFromDispatcher(const char* interface);
 
   // Dispatcher overrides.
+  virtual bool InitWithChannel(Delegate* delegate,
+                               const IPC::ChannelHandle& channel_handle,
+                               bool is_client);
   virtual bool IsPlugin() const;
 
   // IPC::Channel::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
   virtual void OnChannelError();
 
   // Keeps track of which dispatcher to use for each instance, active instances
   // and tracks associated data like the current size.
   void DidCreateInstance(PP_Instance instance);
   void DidDestroyInstance(PP_Instance instance);
@@ skipping 32 matching lines @@
   typedef base::hash_map<PP_Instance, InstanceData> InstanceDataMap;
   InstanceDataMap instance_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginDispatcher);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_PLUGIN_DISPATCHER_H_