Implement more of Flush properly. This adds support for waiting on the messag...

webkit/glue/plugins/pepper_plugin_delegate.h

 // Copyright (c) 2010 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_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
 #define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
 
 #include "third_party/ppapi/c/pp_stdint.h"
 
 namespace skia {
 class PlatformCanvas;
 }
 
 namespace pepper {
 
+class PluginInstance;
+
 // Virtual interface that the browser implements to implement features for
 // Pepper plugins.
 class PluginDelegate {
  public:
   // Represents an image. This is to allow the browser layer to supply a correct
   // image representation. In Chrome, this will be a TransportDIB.
   class PlatformImage2D {
    public:
     virtual ~PlatformImage2D() {}
 
     // Caller will own the returned pointer, returns NULL on failure.
     virtual skia::PlatformCanvas* Map() = 0;
 
     // Returns the platform-specific shared memory handle of the data backing
     // this image. This is used by NativeClient to send the image to the
     // out-of-process plugin. Returns 0 on failure.
     virtual intptr_t GetSharedMemoryHandle() const = 0;
   };
 
+  // Indicates that the given instance has been created.
+  virtual void InstanceCreated(pepper::PluginInstance* instance) = 0;
+
+  // Indicates that the given instance is being destroyed. This is called from
+  // the destructor, so it's important that the instance is not dereferenced
+  // from this call.
+  virtual void InstanceDeleted(pepper::PluginInstance* instance) = 0;
+
   // The caller will own the pointer returned from this.
   virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
 };
 
 }  // namespace pepper
 
 #endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_