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

chrome/browser/chromeos/accessibility/touch_exploration_controller_browsertest.cc

 // Copyright 2014 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 "ui/chromeos/touch_exploration_controller.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/macros.h"
@@ skipping 53 matching lines @@
   }
 
   base::TimeDelta Now() {
     return base::TimeDelta::FromInternalValue(
         simulated_clock_->NowTicks().ToInternalValue());
   }
 
   ui::GestureDetector::Config gesture_detector_config_;
   base::SimpleTestTickClock* simulated_clock_;
   aura::Window* root_window_;
-  scoped_ptr<ui::test::TestEventHandler> event_handler_;
+  std::unique_ptr<ui::test::TestEventHandler> event_handler_;
 
-private:
+ private:
   DISALLOW_COPY_AND_ASSIGN(TouchExplorationTest);
 };
 
 #if defined(OS_CHROMEOS)
 // crbug.com/422943
 #define MAYBE_NoRewritingEventsWhenOff DISABLED_NoRewritingEventsWhenOff
 #else
 #define MAYBE_NoRewritingEventsWhenOff NoRewritingEventsWhenOff
 #endif
 
@@ skipping 158 matching lines @@
 
   // Continuing to move the touch exploration finger should send more mouse
   // events.
   generator.MoveTouchId(gfx::Point(509, 609), 1);
   EXPECT_EQ(0, event_handler_->num_touch_events());
   EXPECT_TRUE(cursor_client->IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client->IsCursorVisible());
 }
 
 }  // namespace ui