Remove use of deprecated base::ListValue::Append(Value*) overload in extensions.

chrome/browser/extensions/window_controller.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_EXTENSIONS_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 72 matching lines @@
   std::unique_ptr<base::DictionaryValue> CreateWindowValue() const;
 
   // Populates a dictionary for the Window object, including a list of tabs.
   virtual std::unique_ptr<base::DictionaryValue> CreateWindowValueWithTabs(
       const extensions::Extension* extension) const = 0;
 
   virtual std::unique_ptr<api::tabs::Tab> CreateTabObject(
       const extensions::Extension* extension,
       int tab_index) const = 0;
 
-  // DEPRECATED: Use std::unique_ptr<api::tabs::Tab> CreateTabObject(...)
-  virtual base::DictionaryValue* CreateTabValue(
-      const extensions::Extension* extension, int tab_index) const = 0;
-
   // Returns false if the window is in a state where closing the window is not
   // permitted and sets |reason| if not NULL.
   virtual bool CanClose(Reason* reason) const = 0;
 
   // Set the window's fullscreen state. |extension_url| provides the url
   // associated with the extension (used by FullscreenController).
   virtual void SetFullscreenMode(bool is_fullscreen,
                                  const GURL& extension_url) const = 0;
 
   // Returns a Browser if available. Defaults to returning NULL.
@@ skipping 10 matching lines @@
  private:
   ui::BaseWindow* window_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowController);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_H_