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

chrome/renderer/pepper_plugin_delegate_impl.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 CHROME_RENDERER_PEPPER_PLUGIN_DELEGATE_IMPL_H_
 #define CHROME_RENDERER_PEPPER_PLUGIN_DELEGATE_IMPL_H_
 
+#include <set>
+
 #include "base/basictypes.h"
 #include "base/weak_ptr.h"
 #include "webkit/glue/plugins/pepper_plugin_delegate.h"
 
 class RenderView;
 
+namespace pepper {
+class PluginInstance;
+}
+
 class PepperPluginDelegateImpl
     : public pepper::PluginDelegate,
       public base::SupportsWeakPtr<PepperPluginDelegateImpl> {
  public:
   explicit PepperPluginDelegateImpl(RenderView* render_view);
 
+  // Called by RenderView to tell us about painting events, these two functions
+  // just correspond to the DidInitiatePaint and DidFlushPaint in R.V..
+  void ViewInitiatedPaint();
+  void ViewFlushedPaint();
+
   // pepper::PluginDelegate implementation.
+  virtual void InstanceCreated(pepper::PluginInstance* instance);
+  virtual void InstanceDeleted(pepper::PluginInstance* instance);
   virtual PlatformImage2D* CreateImage2D(int width, int height);
 
  private:
   // Pointer to the RenderView that owns us.
   RenderView* render_view_;
 
+  std::set<pepper::PluginInstance*> active_instances_;
+
   DISALLOW_COPY_AND_ASSIGN(PepperPluginDelegateImpl);
 };
 
 #endif  // CHROME_RENDERER_PEPPER_PLUGIN_DELEGATE_IMPL_H_