Cleanup: Convert PrintPreviewTabController to use TabContentsWrapper.

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 105 matching lines @@
   }
 
   TabContents* tab_contents() const { return tab_contents_.get(); }
   NavigationController& controller() const {
     return tab_contents()->controller();
   }
   TabContentsView* view() const { return tab_contents()->view(); }
   RenderViewHost* render_view_host() const {
     return tab_contents()->render_view_host();
   }
+  WebUI* web_ui() const { return tab_contents()->web_ui(); }
 
   Profile* profile() const;
 
   // Tab Helpers ---------------------------------------------------------------
 
   AutocompleteHistoryManager* autocomplete_history_manager() {
     return autocomplete_history_manager_.get();
   }
 
   AutofillManager* autofill_manager() { return autofill_manager_.get(); }
@@ skipping 213 matching lines @@
 
   // 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_