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

webkit/plugins/ppapi/plugin_module.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 WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_
 #define WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 104 matching lines @@
   const void* GetPluginInterface(const char* name) const;
 
   // This module is associated with a set of instances. The PluginInstance
   // object declares its association with this module in its destructor and
   // releases us in its destructor.
   void InstanceCreated(PluginInstance* instance);
   void InstanceDeleted(PluginInstance* instance);
 
   scoped_refptr<CallbackTracker> GetCallbackTracker();
 
+  // Called when running out of process and the plugin crashed. This will
+  // release relevant resources and update all affected instances.
+  void PluginCrashed();
+
  private:
   // Calls the InitializeModule entrypoint. The entrypoint must have been
   // set and the plugin must not be out of process (we don't maintain
   // entrypoints in that case).
   bool InitializeModule();
 
   PluginDelegate::ModuleLifetime* lifetime_delegate_;
 
   // Tracker for completion callbacks, used mainly to ensure that all callbacks
   // are properly aborted on module shutdown.
@@ skipping 25 matching lines @@
   typedef std::set<PluginInstance*> PluginInstanceSet;
   PluginInstanceSet instances_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginModule);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PLUGIN_MODULE_H_