Introduce per-tab preferences service.

chrome/browser/ui/tab_contents/tab_contents_wrapper.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/tab_contents_wrapper.h"
 
 #include "base/utf_string_conversions.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 264 matching lines @@
   bookmark_tab_helper_.reset(new BookmarkTabHelper(this));
   constrained_window_tab_helper_.reset(new ConstrainedWindowTabHelper(this));
   extension_tab_helper_.reset(new ExtensionTabHelper(this));
   favicon_tab_helper_.reset(new FaviconTabHelper(contents));
   find_tab_helper_.reset(new FindTabHelper(contents));
   history_tab_helper_.reset(new HistoryTabHelper(contents));
   infobar_tab_helper_.reset(new InfoBarTabHelper(contents));
   password_manager_delegate_.reset(new PasswordManagerDelegateImpl(this));
   password_manager_.reset(
       new PasswordManager(contents, password_manager_delegate_.get()));
+  per_tab_prefs_.reset(
+      profile()->GetPrefs()->CreatePrefServiceWithPerTabPrefStore());
   prerender_tab_helper_.reset(new prerender::PrerenderTabHelper(this));
   print_view_manager_.reset(new printing::PrintViewManager(this));
   restore_tab_helper_.reset(new RestoreTabHelper(this));
 #if defined(ENABLE_SAFE_BROWSING)
   if (profile()->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled) &&
       g_browser_process->safe_browsing_detection_service()) {
     safebrowsing_detection_host_.reset(
         safe_browsing::ClientSideDetectionHost::Create(contents));
   }
 #endif
@@ skipping 418 matching lines @@
   render_view_host()->Send(
       new ChromeViewMsg_SetClientSidePhishingDetection(routing_id(),
                                                        safe_browsing));
 #endif
 }
 
 void TabContentsWrapper::ExitFullscreenMode() {
   if (tab_contents() && render_view_host())
     tab_contents()->render_view_host()->ExitFullscreen();
 }