Disallow display of multiple experimental.extension.popup(...) windows...

chrome/common/render_messages_internal.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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1036 matching lines @@
 
   // Sent when the renderer is done loading a page. This corresponds to WebKit's
   // noption of the throbber stopping.
   IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopLoading)
 
   // Sent when the document element is available for the toplevel frame.  This
   // happens after the page starts loading, but before all resources are
   // finished.
   IPC_MESSAGE_ROUTED0(ViewHostMsg_DocumentAvailableInMainFrame)
 
+  // Sent when after the onload handler has been invoked for the document
+  // in the toplevel frame.
+  IPC_MESSAGE_ROUTED0(ViewHostMsg_DocumentOnLoadCompletedInMainFrame)
+
   // Sent when the renderer loads a resource from its memory cache.
   // The security info is non empty if the resource was originally loaded over
   // a secure connection.
   // Note: May only be sent once per URL per frame per committed load.
   IPC_MESSAGE_ROUTED4(ViewHostMsg_DidLoadResourceFromMemoryCache,
                       GURL /* url */,
                       std::string  /* frame_origin */,
                       std::string  /* main_frame_origin */,
                       std::string  /* security info */)
 
@@ skipping 1265 matching lines @@
   IPC_MESSAGE_CONTROL2(ViewHostMsg_Geolocation_Resume,
                        int /* render_view_id */,
                        int /* bridge_id */)
 
   // Send the tree of accessibility data to the browser, where it's cached
   // in order to respond to OS accessibility queries immediately.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_AccessibilityTree,
                       webkit_glue::WebAccessibility)
 
 IPC_END_MESSAGES(ViewHost)