Switch to standard integer types in sync/.

sync/test/trackable_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/trackable_mock_invalidation.h"
 
+#include <stdint.h>
+
 #include "sync/test/mock_invalidation_tracker.h"
 
 namespace syncer {
 
 TrackableMockInvalidation::TrackableMockInvalidation(
     bool is_unknown_version,
-    int64 version,
+    int64_t version,
     const std::string& payload,
     MockInvalidationTracker* tracker,
     int tracking_id)
     : MockInvalidation(is_unknown_version, version, payload),
       tracker_(tracker),
-      tracking_id_(tracking_id) {
-}
+      tracking_id_(tracking_id) {}
 
 TrackableMockInvalidation::~TrackableMockInvalidation() {
 }
 
 void TrackableMockInvalidation::Acknowledge() {
   if (tracker_) {
     tracker_->Acknowledge(tracking_id_);
   }
 }
 
 void TrackableMockInvalidation::Drop() {
   if (tracker_) {
     tracker_->Drop(tracking_id_);
   }
 }
 
 int TrackableMockInvalidation::GetTrackingId() {
   return tracking_id_;
 }
 
 }  // namespace syncer