Convert //sync from scoped_ptr to std::unique_ptr

sync/test/mock_invalidation.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sync/test/mock_invalidation.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "sync/test/mock_invalidation_tracker.h"
 
 namespace syncer {
 
-scoped_ptr<MockInvalidation> MockInvalidation::BuildUnknownVersion() {
-  return scoped_ptr<MockInvalidation>(
+std::unique_ptr<MockInvalidation> MockInvalidation::BuildUnknownVersion() {
+  return std::unique_ptr<MockInvalidation>(
       new MockInvalidation(true, -1, std::string()));
 }
 
-scoped_ptr<MockInvalidation> MockInvalidation::Build(
+std::unique_ptr<MockInvalidation> MockInvalidation::Build(
     int64_t version,
     const std::string& payload) {
-  return scoped_ptr<MockInvalidation>(
+  return std::unique_ptr<MockInvalidation>(
       new MockInvalidation(false, version, payload));
 }
 
 MockInvalidation::~MockInvalidation() {
 }
 
 bool MockInvalidation::IsUnknownVersion() const {
   return is_unknown_version_;
 }
 
@@ skipping 16 matching lines @@
 }
 
 MockInvalidation::MockInvalidation(bool is_unknown_version,
                                    int64_t version,
                                    const std::string& payload)
     : is_unknown_version_(is_unknown_version),
       version_(version),
       payload_(payload) {}
 
 }  // namespace syncer