[Sync] Implement EstimateMemoryUsage for SharedModelTypeProcessor and ModelTypeWorker

components/sync/engine/non_blocking_sync_common.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 "components/sync/engine/non_blocking_sync_common.h"
 
+#include "base/trace_event/memory_usage_estimator.h"
+
 namespace syncer {
 
 CommitRequestData::CommitRequestData() {}
 
 CommitRequestData::CommitRequestData(const CommitRequestData& other) = default;
 
 CommitRequestData::~CommitRequestData() {}
 
 CommitResponseData::CommitResponseData() {}
 
 CommitResponseData::CommitResponseData(const CommitResponseData& other) =
     default;
 
 CommitResponseData::~CommitResponseData() {}
 
 UpdateResponseData::UpdateResponseData() {}
 
 UpdateResponseData::UpdateResponseData(const UpdateResponseData& other) =
     default;
 
 UpdateResponseData::~UpdateResponseData() {}
 
+size_t EstimateMemoryUsage(const CommitRequestData& value) {
+  using base::trace_event::EstimateMemoryUsage;
+  size_t memory_usage = 0;
+  memory_usage += EstimateMemoryUsage(value.entity);
+  memory_usage += EstimateMemoryUsage(value.specifics_hash);
+  return memory_usage;
+}
+
+size_t EstimateMemoryUsage(const UpdateResponseData& value) {
+  using base::trace_event::EstimateMemoryUsage;
+  size_t memory_usage = 0;
+  memory_usage += EstimateMemoryUsage(value.entity);
+  memory_usage += EstimateMemoryUsage(value.encryption_key_name);
+  return memory_usage;
+}
+
 }  // namespace syncer