Removing remaining CrOS implicit conversions from scoped_refptr to T*

athena/extensions/shell/extensions_delegate_impl.cc

 // 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.
 
 #include "athena/extensions/public/extensions_delegate.h"
 #include "base/macros.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/shell/browser/shell_extension_system.h"
 
 namespace athena {
 namespace {
 
 class ShellExtensionsDelegate : public ExtensionsDelegate {
  public:
   explicit ShellExtensionsDelegate(content::BrowserContext* context)
       : context_(context),
         extension_system_(static_cast<extensions::ShellExtensionSystem*>(
             extensions::ExtensionSystem::Get(context))) {}
 
   virtual ~ShellExtensionsDelegate() {}
 
  private:
   // ExtensionsDelegate:
   virtual content::BrowserContext* GetBrowserContext() const OVERRIDE {
     return context_;
   }
   virtual const extensions::ExtensionSet& GetInstalledExtensions() OVERRIDE {
     shell_extensions_.Clear();
-    if (extension_system_->extension())
+    if (extension_system_->extension().get())
       shell_extensions_.Insert(extension_system_->extension());
     return shell_extensions_;
   }
   virtual bool LaunchApp(const std::string& app_id) OVERRIDE {
     extension_system_->LaunchApp();
     return true;
   }
 
   virtual bool UnloadApp(const std::string& app_id) OVERRIDE { return false; }
 
   content::BrowserContext* context_;
   extensions::ShellExtensionSystem* extension_system_;
   extensions::ExtensionSet shell_extensions_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellExtensionsDelegate);
 };
 
 }  // namespace
 
 // static
 void ExtensionsDelegate::CreateExtensionsDelegateForShell(
     content::BrowserContext* context) {
   new ShellExtensionsDelegate(context);
 }
 
 }  // namespace athena