first cut at uber page

content/browser/webui/web_ui.cc

 // Copyright (c) 2011 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 "content/browser/webui/web_ui.h"
 
 #include "base/i18n/rtl.h"
 #include "base/json/json_writer.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 155 matching lines @@
     result.first->second = callback;
 }
 
 // WebUI, protected: ----------------------------------------------------------
 
 void WebUI::AddMessageHandler(WebUIMessageHandler* handler) {
   handlers_.push_back(handler);
 }
 
 void WebUI::ExecuteJavascript(const string16& javascript) {
-  tab_contents_->render_view_host()->ExecuteJavascriptInWebFrame(string16(),
-                                                                 javascript);
+  tab_contents_->render_view_host()->ExecuteJavascriptInWebFrame(
+      ASCIIToUTF16(frame_xpath_), javascript);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // WebUIMessageHandler
 WebUIMessageHandler::WebUIMessageHandler() : web_ui_(NULL) {
 }
 
 WebUIMessageHandler::~WebUIMessageHandler() {
 }
 
@@ skipping 54 matching lines @@
   return false;
 }
 
 string16 WebUIMessageHandler::ExtractStringValue(const ListValue* value) {
   string16 string16_value;
   if (value->GetString(0, &string16_value))
     return string16_value;
   NOTREACHED();
   return string16();
 }