Replace scoped_ptr with std::unique_ptr in //ui

ui/display/chromeos/apply_content_protection_task_unittest.cc

Index: ui/display/chromeos/apply_content_protection_task_unittest.cc
diff --git a/ui/display/chromeos/apply_content_protection_task_unittest.cc b/ui/display/chromeos/apply_content_protection_task_unittest.cc
index 61acee3ba1cfe43302b12f9ec98b5eff90a967ea..2eb95f8ade0a859de72412d121912b6719a0e0ce 100644
--- a/ui/display/chromeos/apply_content_protection_task_unittest.cc
+++ b/ui/display/chromeos/apply_content_protection_task_unittest.cc
@@ -21,9 +21,10 @@ namespace test {
 
 namespace {
 
-scoped_ptr<DisplaySnapshot> CreateDisplaySnapshot(int64_t id,
-                                                  DisplayConnectionType type) {
-  scoped_ptr<TestDisplaySnapshot> display(new TestDisplaySnapshot());
+std::unique_ptr<DisplaySnapshot> CreateDisplaySnapshot(
+    int64_t id,
+    DisplayConnectionType type) {
+  std::unique_ptr<TestDisplaySnapshot> display(new TestDisplaySnapshot());
   display->set_display_id(id);
   display->set_type(type);