Convert //components/policy from scoped_ptr to std::unique_ptr

components/policy/core/common/async_policy_loader.cc

Index: components/policy/core/common/async_policy_loader.cc
diff --git a/components/policy/core/common/async_policy_loader.cc b/components/policy/core/common/async_policy_loader.cc
index 1c974fa502932fe00b1a24f088ddcd4b3ef2d300..c99526a5bf17a8d795f1c59800066dc5295424b7 100644
--- a/components/policy/core/common/async_policy_loader.cc
+++ b/components/policy/core/common/async_policy_loader.cc
@@ -51,7 +51,7 @@ void AsyncPolicyLoader::Reload(bool force) {
     return;
   }
 
-  scoped_ptr<PolicyBundle> bundle(Load());
+  std::unique_ptr<PolicyBundle> bundle(Load());
 
   // Check if there was a modification while reading.
   if (!force && !IsSafeToReload(now, &delay)) {
@@ -66,14 +66,14 @@ void AsyncPolicyLoader::Reload(bool force) {
   ScheduleNextReload(TimeDelta::FromSeconds(kReloadIntervalSeconds));
 }
 
-scoped_ptr<PolicyBundle> AsyncPolicyLoader::InitialLoad(
+std::unique_ptr<PolicyBundle> AsyncPolicyLoader::InitialLoad(
     const scoped_refptr<SchemaMap>& schema_map) {
   // This is the first load, early during startup. Use this to record the
   // initial |last_modification_time_|, so that potential changes made before
   // installing the watches can be detected.
   last_modification_time_ = LastModificationTime();
   schema_map_ = schema_map;
-  scoped_ptr<PolicyBundle> bundle(Load());
+  std::unique_ptr<PolicyBundle> bundle(Load());
   // Filter out mismatching policies.
   schema_map_->FilterBundle(bundle.get());
   return bundle;