Convert //ash from scoped_ptr to std::unique_ptr

ash/test/shelf_view_test_api.cc

 // 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.
 
 #include "ash/test/shelf_view_test_api.h"
 
 #include "ash/shelf/overflow_button.h"
 #include "ash/shelf/shelf_button.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_model.h"
@@ skipping 69 matching lines @@
 }
 
 void ShelfViewTestAPI::SetAnimationDuration(int duration_ms) {
   shelf_view_->bounds_animator_->SetAnimationDuration(duration_ms);
 }
 
 void ShelfViewTestAPI::RunMessageLoopUntilAnimationsDone() {
   if (!shelf_view_->bounds_animator_->IsAnimating())
     return;
 
-  scoped_ptr<TestAPIAnimationObserver> observer(new TestAPIAnimationObserver());
+  std::unique_ptr<TestAPIAnimationObserver> observer(
+      new TestAPIAnimationObserver());
   shelf_view_->bounds_animator_->AddObserver(observer.get());
 
   // This nested loop will quit when TestAPIAnimationObserver's
   // OnBoundsAnimatorDone is called.
   base::MessageLoop::current()->Run();
 
   shelf_view_->bounds_animator_->RemoveObserver(observer.get());
 }
 
 OverflowBubble* ShelfViewTestAPI::overflow_bubble() {
@@ skipping 42 matching lines @@
     return shelf_view_->dragged_off_from_overflow_to_shelf_;
 }
 
 ShelfButtonPressedMetricTracker*
 ShelfViewTestAPI::shelf_button_pressed_metric_tracker() {
   return &(shelf_view_->shelf_button_pressed_metric_tracker_);
 }
 
 }  // namespace test
 }  // namespace ash