Using DidCommitProvisionalLoad() instead of DidStartProvisionalLoad() in USIS.

chrome/renderer/extensions/extension_helper.cc

 // Copyright (c) 2012 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 "chrome/renderer/extensions/extension_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 131 matching lines @@
   SchedulerMap::iterator i = g_schedulers.Get().find(frame);
   if (i != g_schedulers.Get().end())
     i->second->DidFinishLoad();
 }
 
 void ExtensionHelper::DidCreateDocumentElement(WebFrame* frame) {
   extension_dispatcher_->user_script_slave()->InjectScripts(
       frame, UserScript::DOCUMENT_START);
 }
 
-void ExtensionHelper::DidStartProvisionalLoad(WebKit::WebFrame* frame) {
+void ExtensionHelper::DidCommitProvisionalLoad(WebKit::WebFrame* frame,
+                                               bool is_new_navigation) {
   SchedulerMap::iterator i = g_schedulers.Get().find(frame);
   if (i != g_schedulers.Get().end())
-    i->second->DidStartProvisionalLoad();
+    i->second->DidCommitProvisionalLoad();
 }
 
 void ExtensionHelper::FrameDetached(WebFrame* frame) {
   // This could be called before DidCreateDataSource, in which case the frame
   // won't be in the map.
   SchedulerMap::iterator i = g_schedulers.Get().find(frame);
   if (i == g_schedulers.Get().end())
     return;
 
   delete i->second;
@@ skipping 190 matching lines @@
       routing_id(), *pending_app_info_));
   pending_app_info_.reset(NULL);
 }
 
 void ExtensionHelper::AddErrorToRootConsole(const string16& message) {
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
     render_view()->GetWebView()->mainFrame()->addMessageToConsole(
         WebConsoleMessage(WebConsoleMessage::LevelError, message));
   }
 }