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

chrome/browser/extensions/api/extension_action/extension_action_prefs_unittest.cc

 // Copyright (c) 2013 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 <string>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
@@ skipping 37 matching lines @@
     // Make sure the other id's are not hidden.
     ExtensionList::const_iterator iter = extensions_.begin() + 1;
     for (; iter != extensions_.end(); ++iter) {
       SCOPED_TRACE(base::StringPrintf("Loop %d ",
                        static_cast<int>(iter - extensions_.begin())));
       EXPECT_TRUE(action_api->GetBrowserActionVisibility((*iter)->id()));
     }
   }
 
  private:
-  scoped_ptr<TestingProfile> profile_;
+  std::unique_ptr<TestingProfile> profile_;
   ExtensionList extensions_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefsHidingBrowserActions);
 };
 
 TEST_F(ExtensionPrefsHidingBrowserActions, ForceHide) {}
 
 }  // namespace extensions