Greasemonkey support.

webkit/glue/webframe_impl.cc

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 302 matching lines @@
   // We must call init() after frame_ is assigned because it is referenced
   // during init().
   frame_->init();
 }
 
 void WebFrameImpl::LoadRequest(WebRequest* request) {
   SubstituteData data;
   InternalLoadRequest(request, data, false);
 }
 
+void WebFrameImpl::ExecuteJavaScript(const std::wstring& code,
+                                     const std::wstring& url) {
+  frame_->loader()->executeScript(webkit_glue::StdWStringToString(url),
+                                  1 /* base line number (for errors) */,
+                                  webkit_glue::StdWStringToString(code));
+}
+
 void WebFrameImpl::InternalLoadRequest(const WebRequest* request,
                                        const SubstituteData& data,
                                        bool replace) {
   const WebRequestImpl* request_impl =
       static_cast<const WebRequestImpl*>(request);
 
   const ResourceRequest& resource_request =
       request_impl->frame_load_request().resourceRequest();
 
   // Special-case javascript URLs.  Do not interrupt the existing load when
@@ skipping 1530 matching lines @@
   if (loader) {
     return WebCore::FrameLoadTypeReloadAllowingStaleData ==
            loader->policyLoadType();
   }
   return false;
 }
 
 int WebFrameImpl::PendingFrameUnloadEventCount() const {
   return frame()->eventHandler()->pendingFrameUnloadEventCount();
 }