[Sync] Rewriting ".reset(new" pattern to use "= base::MakeUnique" instead.

components/sync/model/sync_error.cc

Index: components/sync/model/sync_error.cc
diff --git a/components/sync/model/sync_error.cc b/components/sync/model/sync_error.cc
index b2010af2e3e71bdd45557c4635e10bbdcad27ccf..ef3de5f507f53c2011d7e4f1aa6f861c60a31cc4 100644
--- a/components/sync/model/sync_error.cc
+++ b/components/sync/model/sync_error.cc
@@ -8,6 +8,7 @@
 
 #include "base/location.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 
 namespace syncer {
 
@@ -65,7 +66,7 @@ void SyncError::Init(const tracked_objects::Location& location,
                      const std::string& message,
                      ModelType model_type,
                      ErrorType error_type) {
-  location_.reset(new tracked_objects::Location(location));
+  location_ = base::MakeUnique<tracked_objects::Location>(location);
   message_ = message;
   model_type_ = model_type;
   error_type_ = error_type;