Extensions-related fixups for scoped_refptr conversion operator removal.

chrome/browser/extensions/test_extension_prefs.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_TEST_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_PREFS_H_
 
 #include <string>
 
 #include "base/files/scoped_temp_dir.h"
@@ skipping 15 matching lines @@
 }
 
 namespace extensions {
 class Extension;
 class ExtensionPrefs;
 
 // This is a test class intended to make it easier to work with ExtensionPrefs
 // in tests.
 class TestExtensionPrefs {
  public:
-  explicit TestExtensionPrefs(base::SequencedTaskRunner* task_runner);
+  explicit TestExtensionPrefs(
+      const scoped_refptr<base::SequencedTaskRunner>& task_runner);
   virtual ~TestExtensionPrefs();
 
   ExtensionPrefs* prefs() { return prefs_.get(); }
   const ExtensionPrefs& const_prefs() const {
       return *prefs_.get();
   }
   PrefService* pref_service();
   const scoped_refptr<user_prefs::PrefRegistrySyncable>& pref_registry();
   void ResetPrefRegistry();
   const base::FilePath& temp_dir() const { return temp_dir_.path(); }
@@ skipping 47 matching lines @@
   const scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
  private:
   bool extensions_disabled_;
   DISALLOW_COPY_AND_ASSIGN(TestExtensionPrefs);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_PREFS_H_