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

chrome/browser/chromeos/accessibility/magnification_manager_browsertest.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 <string>
 
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 124 matching lines @@
       magnifier_type_ = details.magnifier_type;
       observed_enabled_ = details.enabled;
       observed_ = true;
     }
   }
 
   bool observed_;
   bool observed_enabled_;
   int magnifier_type_;
 
-  scoped_ptr<AccessibilityStatusSubscription> accessibility_subscription_;
+  std::unique_ptr<AccessibilityStatusSubscription> accessibility_subscription_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMagnificationObserver);
 };
 
 
 class MagnificationManagerTest : public InProcessBrowserTest {
  protected:
   MagnificationManagerTest() {}
   ~MagnificationManagerTest() override {}
 
@@ skipping 390 matching lines @@
   observer.reset();
 
   // Set full screen magnifier again, and confirm the observer is not called.
   SetMagnifierType(ui::MAGNIFIER_FULL);
   EXPECT_FALSE(observer.observed());
   EXPECT_EQ(GetMagnifierType(), ui::MAGNIFIER_FULL);
   observer.reset();
 }
 
 }  // namespace chromeos