Add core plumbing for Instant Extended work

chrome/browser/ui/tab_contents/tab_contents.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 41 matching lines @@
 #endif
 
 namespace browser_sync {
 class SyncedTabDelegate;
 }
 
 namespace captive_portal {
 class CaptivePortalTabHelper;
 }
 
+namespace chrome {
+namespace search {
+class SearchTabHelper;
+}
+}
+
 namespace extensions {
 class WebNavigationTabObserver;
 }
 
 namespace prerender {
 class PrerenderTabHelper;
 }
 
 namespace printing {
 class PrintViewManager;
@@ skipping 122 matching lines @@
   const RestoreTabHelper* restore_tab_helper() const {
     return restore_tab_helper_.get();
   }
 
   SadTabHelper* sad_tab_helper() { return sad_tab_helper_.get(); }
 
   SearchEngineTabHelper* search_engine_tab_helper() {
     return search_engine_tab_helper_.get();
   }
 
+  chrome::search::SearchTabHelper* search_tab_helper() {
+    return search_tab_helper_.get();
+  }
+
   SnapshotTabHelper* snapshot_tab_helper() {
     return snapshot_tab_helper_.get();
   }
 
   TabContentsSSLHelper* ssl_helper() { return ssl_helper_.get(); }
 
   browser_sync::SyncedTabDelegate* synced_tab_delegate() {
     return synced_tab_delegate_.get();
   }
 
@@ skipping 57 matching lines @@
 
   scoped_ptr<PrefsTabHelper> prefs_tab_helper_;
   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_;
   scoped_ptr<SadTabHelper> sad_tab_helper_;
   scoped_ptr<SearchEngineTabHelper> search_engine_tab_helper_;
+  scoped_ptr<chrome::search::SearchTabHelper> search_tab_helper_;
   scoped_ptr<SnapshotTabHelper> snapshot_tab_helper_;
   scoped_ptr<TabContentsSSLHelper> ssl_helper_;
   scoped_ptr<browser_sync::SyncedTabDelegate> synced_tab_delegate_;
 
   // The TabSpecificContentSettings object is used to query the blocked content
   // state by various UI elements.
   scoped_ptr<TabSpecificContentSettings> content_settings_;
 
   scoped_ptr<ThumbnailGenerator> thumbnail_generator_;
   scoped_ptr<TranslateTabHelper> translate_tab_helper_;
@@ skipping 27 matching lines @@
 
   // The supporting objects need to outlive the WebContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<content::WebContents> web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_