Need to cast to WebCore::Widget explicitly since the method being...

webkit/glue/webplugin_impl.cc

 // 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.
 
 #include "config.h"
 
 #include "Document.h"
 #include "DocumentLoader.h"
 #include "FormState.h"
 #include "Frame.h"
 #include "FrameLoader.h"
 #include "FrameLoadRequest.h"
 #include "HTMLFormElement.h"
 #include "HTMLPlugInElement.h"
 #include "KURL.h"
 #include "PlatformString.h"
 #include "ResourceResponse.h"
 #include "ScriptController.h"
 #include "ScriptValue.h"
 #include "Widget.h"
 
 #undef LOG
 #include "base/gfx/rect.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
-//#include "base/sys_string_conversions.h"
 #include "net/base/escape.h"
 #include "webkit/api/public/WebCursorInfo.h"
 #include "webkit/api/public/WebData.h"
 #include "webkit/api/public/WebHTTPBody.h"
 #include "webkit/api/public/WebHTTPHeaderVisitor.h"
 #include "webkit/api/public/WebInputEvent.h"
 #include "webkit/api/public/WebKit.h"
 #include "webkit/api/public/WebKitClient.h"
 #include "webkit/api/public/WebRect.h"
 #include "webkit/api/public/WebString.h"
@@ skipping 1097 matching lines @@
   }
 }
 
 void WebPluginImpl::TearDownPluginInstance(
     WebURLLoader* loader_to_ignore) {
   // The frame maintains a list of JSObjects which are related to this
   // plugin.  Tell the frame we're gone so that it can invalidate all
   // of those sub JSObjects.
   if (frame()) {
     ASSERT(widget_);
-    frame()->script()->cleanupScriptObjectsForPlugin(widget_);
+    // TODO(darin): Avoid these casts!
+    frame()->script()->cleanupScriptObjectsForPlugin(
+        static_cast<WebCore::Widget*>(
+            static_cast<WebKit::WebPluginContainerImpl*>(widget_)));
   }
 
   if (delegate_) {
     // Call PluginDestroyed() first to prevent the plugin from calling us back
     // in the middle of tearing down the render tree.
     delegate_->PluginDestroyed();
     delegate_ = NULL;
   }
 
   // Cancel any pending requests because otherwise this deleted object will
@@ skipping 15 matching lines @@
     if (resource_client)
       resource_client->DidFail();
   }
 
   // This needs to be called now and not in the destructor since the
   // webframe_ might not be valid anymore.
   webframe_->set_plugin_delegate(NULL);
   webframe_ = NULL;
   method_factory_.RevokeAll();
 }