PPAPI: Always inform RenderViewImpl of instance deletion

content/renderer/pepper/pepper_plugin_instance_impl.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 CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
 #include <vector>
 
+#include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/texture_layer_client.h"
 #include "content/common/content_export.h"
 #include "content/public/renderer/pepper_plugin_instance.h"
 #include "content/public/renderer/render_frame_observer.h"
@@ skipping 634 matching lines @@
   MouseLockDispatcher* GetMouseLockDispatcher();
   MouseLockDispatcher::LockTarget* GetOrCreateLockTargetAdapter();
   void UnSetAndDeleteLockTargetAdapter();
 
   void DidDataFromWebURLResponse(
       const blink::WebURLResponse& response,
       int pending_host_id,
       const ppapi::URLResponseInfoData& data);
 
   RenderFrameImpl* render_frame_;
+  base::Closure instance_deleted_callback_;
   scoped_refptr<PluginModule> module_;
   scoped_ptr<ppapi::PPP_Instance_Combined> instance_interface_;
   // If this is the NaCl plugin, we create a new module when we switch to the
   // IPC-based PPAPI proxy. Store the original module and instance interface
   // so we can shut down properly.
   scoped_refptr<PluginModule> original_module_;
   scoped_ptr<ppapi::PPP_Instance_Combined> original_instance_interface_;
 
   PP_Instance pp_instance_;
 
@@ skipping 204 matching lines @@
   base::WeakPtrFactory<PepperPluginInstanceImpl> view_change_weak_ptr_factory_;
   base::WeakPtrFactory<PepperPluginInstanceImpl> weak_factory_;
 
   friend class PpapiPluginInstanceTest;
   DISALLOW_COPY_AND_ASSIGN(PepperPluginInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLUGIN_INSTANCE_IMPL_H_