Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/omnibox/omnibox_api.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_API_OMNIBOX_OMNIBOX_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_OMNIBOX_OMNIBOX_API_H_
 
+#include <memory>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/extensions/extension_icon_manager.h"
 #include "chrome/common/extensions/api/omnibox.h"
 #include "components/omnibox/browser/autocomplete_match.h"
 #include "components/search_engines/template_url_service.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "ui/base/window_open_disposition.h"
@@ skipping 112 matching lines @@
   PendingExtensions pending_extensions_;
 
   // Listen to extension load, unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   // Keeps track of favicon-sized omnibox icons for extensions.
   ExtensionIconManager omnibox_icon_manager_;
   ExtensionIconManager omnibox_popup_icon_manager_;
 
-  scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
+  std::unique_ptr<TemplateURLService::Subscription> template_url_sub_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxAPI);
 };
 
 template <>
 void BrowserContextKeyedAPIFactory<OmniboxAPI>::DeclareFactoryDependencies();
 
 class OmniboxSetDefaultSuggestionFunction : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("omnibox.setDefaultSuggestion",
@@ skipping 15 matching lines @@
     AutocompleteMatch* match);
 
 // This function converts style information populated by the JSON schema
 // // compiler into an ACMatchClassifications object.
 ACMatchClassifications StyleTypesToACMatchClassifications(
     const api::omnibox::SuggestResult &suggestion);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_OMNIBOX_OMNIBOX_API_H_