Add early-injection capability to user scripts. I haven't yet

webkit/glue/webframeloaderclient_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 <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 
@@ skipping 83 matching lines @@
 }
 
 void WebFrameLoaderClient::windowObjectCleared() {
   WebViewImpl* webview = webframe_->webview_impl();
   WebViewDelegate* d = webview->delegate();
   if (d)
     d->WindowObjectCleared(webframe_);
 }
 
 void WebFrameLoaderClient::documentElementAvailable() {
-  // TODO(aa): Implement.
-  notImplemented();
+  WebViewImpl* webview = webframe_->webview_impl();
+  WebViewDelegate* d = webview->delegate();
+  if (d)
+    d->DocumentElementAvailable(webframe_);
 }
 
 void WebFrameLoaderClient::didPerformFirstNavigation() const {
 }
 
 void WebFrameLoaderClient::registerForIconNotification(bool listen){
 }
 
 bool WebFrameLoaderClient::hasWebView() const {
   return webframe_->webview_impl() != NULL;
@@ skipping 1402 matching lines @@
   if (!middle_or_ctrl && !shift && !alt)
     return false;
 
   DCHECK(disposition);
   if (middle_or_ctrl)
     *disposition = shift ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
   else
     *disposition = shift ? NEW_WINDOW : SAVE_TO_DISK;
   return true;
 }