Replace scoped_ptr with std::unique_ptr in //ui

ui/views/test/scoped_views_test_helper.h

Index: ui/views/test/scoped_views_test_helper.h
diff --git a/ui/views/test/scoped_views_test_helper.h b/ui/views/test/scoped_views_test_helper.h
index 7bcd78133f288aeb4bb582c397425d18d9661bed..2b30a3395ffd87ce97748795207e9d9cc6784160 100644
--- a/ui/views/test/scoped_views_test_helper.h
+++ b/ui/views/test/scoped_views_test_helper.h
@@ -5,8 +5,9 @@
 #ifndef UI_VIEWS_TEST_SCOPED_VIEWS_TEST_HELPER_H_
 #define UI_VIEWS_TEST_SCOPED_VIEWS_TEST_HELPER_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace views {
@@ -27,7 +28,8 @@ class ScopedViewsTestHelper {
 
   // Initialize with the given TestViewsDelegate instance, after setting the
   // ContextFactory.
-  explicit ScopedViewsTestHelper(scoped_ptr<TestViewsDelegate> views_delegate);
+  explicit ScopedViewsTestHelper(
+      std::unique_ptr<TestViewsDelegate> views_delegate);
 
   ~ScopedViewsTestHelper();
 
@@ -40,9 +42,9 @@ class ScopedViewsTestHelper {
   bool IsMus() const;
 
  private:
-  scoped_ptr<TestViewsDelegate> views_delegate_;
-  scoped_ptr<ViewsTestHelper> test_helper_;
-  scoped_ptr<PlatformTestHelper> platform_test_helper_;
+  std::unique_ptr<TestViewsDelegate> views_delegate_;
+  std::unique_ptr<ViewsTestHelper> test_helper_;
+  std::unique_ptr<PlatformTestHelper> platform_test_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedViewsTestHelper);
 };