Add per-tab "JavaScript enabled" preference.

chrome/browser/ui/tab_contents/tab_contents_wrapper.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 161 matching lines @@
   const ExtensionTabHelper* extension_tab_helper() const {
     return extension_tab_helper_.get();
   }
 
   FaviconTabHelper* favicon_tab_helper() { return favicon_tab_helper_.get(); }
   FindTabHelper* find_tab_helper() { return find_tab_helper_.get(); }
   HistoryTabHelper* history_tab_helper() { return history_tab_helper_.get(); }
   InfoBarTabHelper* infobar_tab_helper() { return infobar_tab_helper_.get(); }
   PasswordManager* password_manager() { return password_manager_.get(); }
 
+  PrefService* per_tab_prefs() { return per_tab_prefs_.get(); }
+
   prerender::PrerenderTabHelper* prerender_tab_helper() {
     return prerender_tab_helper_.get();
   }
 
   printing::PrintViewManager* print_view_manager() {
     return print_view_manager_.get();
   }
 
   RestoreTabHelper* restore_tab_helper() {
     return restore_tab_helper_.get();
@@ skipping 42 matching lines @@
   // Internal helpers ----------------------------------------------------------
 
   // Message handlers.
   void OnSnapshot(const SkBitmap& bitmap);
   void OnPDFHasUnsupportedFeature();
 
   // Returns the server that can provide alternate error pages.  If the returned
   // URL is empty, the default error page built into WebKit will be used.
   GURL GetAlternateErrorPageURL() const;
 
+  void RegisterPerTabUserPrefs(PrefService* prefs);
+
   // Send the alternate error page URL to the renderer.
   void UpdateAlternateErrorPageURL(RenderViewHost* rvh);
 
   // Update the RenderView's WebPreferences.
   void UpdateWebPreferences();
 
   // Update the TabContents's RendererPreferences.
   void UpdateRendererPreferences();
 
   // Create or destroy SafebrowsingDetectionHost as needed if the user's
   // safe browsing preference has changed.
   void UpdateSafebrowsingDetectionHost();
 
   // Data for core operation ---------------------------------------------------
 
   // Delegate for notifying our owner about stuff. Not owned by us.
   TabContentsWrapperDelegate* delegate_;
 
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar pref_change_registrar_;
+  PrefChangeRegistrar per_tab_pref_change_registrar_;
 
   // Helper which implements the SyncedTabDelegate interface.
   scoped_ptr<TabContentsWrapperSyncedTabDelegate> synced_tab_delegate_;
 
   // Data for current page -----------------------------------------------------
 
   // Shows an info-bar to users when they search from a known search engine and
   // have never used the omnibox for search before.
   scoped_ptr<OmniboxSearchHint> omnibox_search_hint_;
 
@@ skipping 12 matching lines @@
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;
   scoped_ptr<FindTabHelper> find_tab_helper_;
   scoped_ptr<HistoryTabHelper> history_tab_helper_;
   scoped_ptr<InfoBarTabHelper> infobar_tab_helper_;
 
   // PasswordManager and its delegate. The delegate must outlive the manager,
   // per documentation in password_manager.h.
   scoped_ptr<PasswordManagerDelegate> password_manager_delegate_;
   scoped_ptr<PasswordManager> password_manager_;
 
+  // Allows overriding user preferences.
+  scoped_ptr<PrefService> per_tab_prefs_;
+
   scoped_ptr<prerender::PrerenderTabHelper> prerender_tab_helper_;
 
   // Handles print job for this contents.
   scoped_ptr<printing::PrintViewManager> print_view_manager_;
 
   scoped_ptr<RestoreTabHelper> restore_tab_helper_;
 
   // Handles displaying a web intents picker to the user.
   scoped_ptr<WebIntentPickerController> web_intent_picker_controller_;
 
@@ skipping 11 matching lines @@
   scoped_ptr<TranslateTabHelper> translate_tab_helper_;
 
   // Per-tab observers ---------------------------------------------------------
   // (These provide no API for callers; objects that need to exist 1:1 with tabs
   // and silently do their thing live here.)
 
   scoped_ptr<DownloadRequestLimiterObserver> download_request_limiter_observer_;
   scoped_ptr<ExtensionWebNavigationTabObserver> webnavigation_observer_;
   scoped_ptr<ExternalProtocolObserver> external_protocol_observer_;
   scoped_ptr<PluginObserver> plugin_observer_;
-  scoped_ptr<PrefService> per_tab_prefs_; // Allows overriding user preferences.
   scoped_ptr<printing::PrintPreviewMessageHandler> print_preview_;
   scoped_ptr<SadTabObserver> sad_tab_observer_;
   scoped_ptr<ThumbnailGenerator> thumbnail_generation_observer_;
 
   // TabContents (MUST BE LAST) ------------------------------------------------
 
   // If true, we're running the destructor.
   bool in_destructor_;
 
   // The supporting objects need to outlive the TabContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<TabContents> tab_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsWrapper);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_