Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/rlz/rlz_tracker.cc

Index: components/rlz/rlz_tracker.cc
diff --git a/components/rlz/rlz_tracker.cc b/components/rlz/rlz_tracker.cc
index 32284b8718c11d3772093061bb4e479fe04df5c8..d18edb75570da4cf25139e843efbfb77e1924851 100644
--- a/components/rlz/rlz_tracker.cc
+++ b/components/rlz/rlz_tracker.cc
@@ -172,7 +172,7 @@ RLZTracker::~RLZTracker() {
 }
 
 // static
-void RLZTracker::SetRlzDelegate(scoped_ptr<RLZTrackerDelegate> delegate) {
+void RLZTracker::SetRlzDelegate(std::unique_ptr<RLZTrackerDelegate> delegate) {
   RLZTracker* tracker = GetInstance();
   if (!tracker->delegate_) {
     // RLZTracker::SetRlzDelegate is called at Profile creation time which can
@@ -182,7 +182,7 @@ void RLZTracker::SetRlzDelegate(scoped_ptr<RLZTrackerDelegate> delegate) {
   }
 }
 
-void RLZTracker::SetDelegate(scoped_ptr<RLZTrackerDelegate> delegate) {
+void RLZTracker::SetDelegate(std::unique_ptr<RLZTrackerDelegate> delegate) {
   DCHECK(delegate);
   DCHECK(!delegate_);
   delegate_ = std::move(delegate);