Implement "iframe shim" behavior for windowed plugins....

webkit/glue/webplugin_delegate.h

 // Copyright (c) 2006-2008 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_WEBPLUGIN_DELEGATE_H__
 #define WEBKIT_GLUE_WEBPLUGIN_DELEGATE_H__
 
 #include <string>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/gfx/rect.h"
 #include "third_party/npapi/bindings/npapi.h"
 
 typedef struct HDC__* HDC;
 
 class GURL;
 class WebPlugin;
@@ skipping 16 matching lines @@
   // the data. This also controls whether the plugin is instantiated as a full 
   // page plugin (NP_FULL) or embedded (NP_EMBED)
   virtual bool Initialize(const GURL& url, char** argn, char** argv,
                           int argc, WebPlugin* plugin, bool load_manually) = 0;
 
   // Called when the WebPlugin is being destroyed.  This is a signal to the
   // delegate that it should tear-down the plugin implementation and not call
   // methods on the WebPlugin again.
   virtual void PluginDestroyed() = 0;
 
-  // Update the geometry of the plugin.  This is a request to move the plugin,
-  // relative to its containing window, to the coords given by window_rect.
-  // Its contents should be clipped to the coords given by clip_rect, which are
-  // relative to the origin of the plugin window.
+  // Update the geometry of the plugin.  This is a request to move the
+  // plugin, relative to its containing window, to the coords given by
+  // window_rect.  Its contents should be clipped to the coords given
+  // by clip_rect, which are relative to the origin of the plugin
+  // window.  It's contents should also not overlap the given cutout
+  // rects.  The clip_rect and cutout_rects are in plugin-relative
+  // coordinates.
   virtual void UpdateGeometry(const gfx::Rect& window_rect,
-                              const gfx::Rect& clip_rect, bool visible) = 0;
+                              const gfx::Rect& clip_rect,
+                              const std::vector<gfx::Rect>& cutout_rects,
+                              bool visible) = 0;
 
   // Tells the plugin to paint the damaged rect.  The HDC is only used for
   // windowless plugins.
   virtual void Paint(HDC hdc, const gfx::Rect& rect) = 0;
 
   // Tells the plugin to print itself.
   virtual void Print(HDC hdc) = 0;
 
   // Informs the plugin that it now has focus.
   virtual void SetFocus() = 0;
@@ skipping 50 matching lines @@
                                                         void* stream) = 0;
   // Notifies the delegate about a Get/Post URL request getting routed
   virtual void URLRequestRouted(const std::string&url, bool notify_needed, 
                                 void* notify_data) = 0;
  private:
   DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegate);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_DELEGATE_H__