Apply per-tab preference after RenderViewImpl creation.

chrome/browser/ui/tab_contents/per_tab_prefs_tab_helper.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 "chrome/browser/ui/tab_contents/per_tab_prefs_tab_helper.h"
 
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
@@ skipping 30 matching lines @@
 }
 
 void PerTabPrefsTabHelper::RegisterPerTabUserPrefs(PrefService* prefs) {
   WebPreferences pref_defaults;
 
   prefs->RegisterBooleanPref(prefs::kWebKitJavascriptEnabled,
                              pref_defaults.javascript_enabled,
                              PrefService::UNSYNCABLE_PREF);
 }
 
+void PerTabPrefsTabHelper::RenderViewCreated(RenderViewHost* render_view_host) {
+  wrapper_->UpdateWebPreferences();
+}
+
 void PerTabPrefsTabHelper::TabContentsDestroyed(TabContents* tab) {
   pref_change_registrar_.RemoveAll();
 }