Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/manifest_handlers/options_page_info.h

 // Copyright 2014 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 EXTENSIONS_COMMON_MANIFEST_HANDLERS_OPTIONS_PAGE_INFO_H_
 #define EXTENSIONS_COMMON_MANIFEST_HANDLERS_OPTIONS_PAGE_INFO_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 28 matching lines @@
   static bool HasOptionsPage(const Extension* extension);
 
   // Returns whether the Chrome user agent stylesheet should be applied to the
   // given extension's options page.
   static bool ShouldUseChromeStyle(const Extension* extension);
 
   // Returns whether the given extension's options page should be opened in a
   // new tab instead of an embedded popup.
   static bool ShouldOpenInTab(const Extension* extension);
 
-  static scoped_ptr<OptionsPageInfo> Create(
+  static std::unique_ptr<OptionsPageInfo> Create(
       Extension* extension,
       const base::Value* options_ui_value,
       const std::string& options_page_string,
       std::vector<InstallWarning>* install_warnings,
       base::string16* error);
 
  private:
   // The URL to the options page of this extension. We only store one options
   // URL, either options_page or options_ui.page. options_ui.page is preferred
   // if both are present.
@@ skipping 19 matching lines @@
 
  private:
   const std::vector<std::string> Keys() const override;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsPageManifestHandler);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_OPTIONS_PAGE_INFO_H_