Introduce a layering in the invalidation component as public and impl

chrome/browser/policy/cloud/cloud_policy_invalidator.cc

 // Copyright 2013 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 "chrome/browser/policy/cloud/cloud_policy_invalidator.h"
 
 #include "base/bind.h"
 #include "base/hash.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/rand_util.h"
 #include "base/sequenced_task_runner.h"
 #include "base/time/clock.h"
 #include "base/time/time.h"
 #include "base/values.h"
-#include "components/invalidation/invalidation_service.h"
-#include "components/invalidation/object_id_invalidation_map.h"
+#include "components/invalidation/base/invalidation_service.h"
+#include "components/invalidation/base/object_id_invalidation_map.h"
 #include "components/policy/core/common/cloud/cloud_policy_client.h"
 #include "components/policy/core/common/cloud/cloud_policy_refresh_scheduler.h"
 #include "components/policy/core/common/cloud/enterprise_metrics.h"
 #include "policy/policy_constants.h"
 
 namespace policy {
 
 const int CloudPolicyInvalidator::kMissingPayloadDelay = 5;
 const int CloudPolicyInvalidator::kMaxFetchDelayDefault = 10000;
 const int CloudPolicyInvalidator::kMaxFetchDelayMin = 1000;
@@ skipping 409 matching lines @@
 bool CloudPolicyInvalidator::GetInvalidationsEnabled() {
   if (!invalidations_enabled_)
     return false;
   // If invalidations have been enabled for less than the grace period, then
   // consider invalidations to be disabled for metrics reporting.
   base::TimeDelta elapsed = clock_->Now() - invalidations_enabled_time_;
   return elapsed.InSeconds() >= kInvalidationGracePeriod;
 }
 
 }  // namespace policy