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

chrome/browser/extensions/component_migration_helper_unittest.cc

 // Copyright 2016 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 <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/component_migration_helper.h"
@@ skipping 78 matching lines @@
         profile()->GetPrefs()->GetDictionary(
             ::prefs::kToolbarMigratedComponentActionStatus);
     if (!migration_pref->HasKey(kTestActionId))
       return false;
     bool enable_value = false;
     CHECK(migration_pref->GetBoolean(kTestActionId, &enable_value));
     return enable_value;
   }
 
   StrictMock<MockComponentActionDelegate> mock_delegate_;
-  scoped_ptr<StrictMock<MockComponentMigrationHelper>> mock_helper_;
-  scoped_ptr<FeatureSwitch::ScopedOverride> extension_action_redesign_;
+  std::unique_ptr<StrictMock<MockComponentMigrationHelper>> mock_helper_;
+  std::unique_ptr<FeatureSwitch::ScopedOverride> extension_action_redesign_;
 
   // Migrated extensions with browser actions.
   scoped_refptr<const Extension> migrated_extension_a_;
   scoped_refptr<const Extension> migrated_extension_b_;
   // An extension that is not migrated.
   scoped_refptr<const Extension> unregistered_extension_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ComponentMigrationHelperTest);
 };
@@ skipping 92 matching lines @@
 
   EXPECT_CALL(mock_delegate_, HasComponentAction(kTestActionId))
       .WillOnce(Return(true));
   EXPECT_CALL(mock_delegate_, RemoveComponentAction(kTestActionId));
 
   mock_helper_->OnActionRemoved(kTestActionId);
   EXPECT_FALSE(IsTestComponentActionEnabled());
 }
 
 }  // namespace extensions