Distinguish plugin disconnections from plugin crashes.

webkit/plugins/ppapi/plugin_module.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 WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 104 matching lines @@
   // be created.
   scoped_refptr<PluginModule> CreateModuleForNaClInstance();
 
   // Initializes the NaCl module for the out of process proxy. InitAsProxied
   // must be called before calling InitAsProxiedNaCl. Returns a NaCl result code
   // indicating whether the proxy started successfully or there was an error.
   PP_NaClResult InitAsProxiedNaCl(PluginInstance* instance);
 
   bool IsProxied() const;
 
+  // Returns the peer process ID if the plugin is running out of process;
+  // returns |base::kNullProcessId| otherwise.
+  base::ProcessId GetPeerProcessId();
+
   static const PPB_Core* GetCore();
 
   // Returns a pointer to the local GetInterface function for retrieving
   // PPB interfaces.
   static GetInterfaceFunc GetLocalGetInterfaceFunc();
 
   // Returns whether an interface is supported. This method can be called from
   // the browser process and used for interface matching before plugin
   // registration.
   // NOTE: those custom interfaces provided by PpapiInterfaceFactoryManager
@@ skipping 112 matching lines @@
 
   PP_Bool (*reserve_instance_id_)(PP_Module, PP_Instance);
 
   DISALLOW_COPY_AND_ASSIGN(PluginModule);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_