Implement basic crash detection and shutdown handling for out of process PPAP...

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 20 matching lines @@
 
 class PluginDispatcher : public Dispatcher {
  public:
   // Constructor for the plugin side. The init and shutdown functions will be
   // will be automatically called when requested by the renderer side. The
   // module ID will be set upon receipt of the InitializeModule message.
   //
   // You must call Dispatcher::InitWithChannel after the constructor.
   PluginDispatcher(base::ProcessHandle remote_process_handle,
                    GetInterfaceFunc get_interface);
-  ~PluginDispatcher();
+  virtual ~PluginDispatcher();
 
   // 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.
@@ skipping 42 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_