Index: components/sync/syncable/entry_kernel.cc |
diff --git a/components/sync/syncable/entry_kernel.cc b/components/sync/syncable/entry_kernel.cc |
index 9ba9c37f6e57f05d8119a4c03aaec06dfb954fbd..2450db95172adfcaaa7774fb3337f9c7934b5c6d 100644 |
--- a/components/sync/syncable/entry_kernel.cc |
+++ b/components/sync/syncable/entry_kernel.cc |
@@ -10,7 +10,9 @@ |
#include "base/json/string_escape.h" |
#include "base/strings/string_number_conversions.h" |
+#include "base/trace_event/memory_usage_estimators.h" |
#include "components/sync/base/cryptographer.h" |
+#include "components/sync/protocol/proto_size_estimations.h" |
#include "components/sync/protocol/proto_value_conversions.h" |
#include "components/sync/syncable/syncable_columns.h" |
#include "components/sync/syncable/syncable_enum_conversions.h" |
@@ -18,7 +20,7 @@ |
namespace syncer { |
namespace syncable { |
-EntryKernel::EntryKernel() : dirty_(false) { |
+EntryKernel::EntryKernel() : dirty_(false), memory_usage_(kMemoryUsageUnknown) { |
// Everything else should already be default-initialized. |
for (int i = 0; i < INT64_FIELDS_COUNT; ++i) { |
int64_fields[i] = 0; |
@@ -213,6 +215,19 @@ base::DictionaryValue* EntryKernel::ToValue( |
return kernel_info; |
} |
+size_t EntryKernel::EstimateMemoryUsage() const { |
+ if (memory_usage_ == kMemoryUsageUnknown) { |
+ using base::trace_event::EstimateMemoryUsage; |
+ memory_usage_ = |
+ EstimateMemoryUsage(string_fields) + |
+ EstimateMemoryUsage(specifics_fields) + |
+ EstimateMemoryUsage(id_fields) + |
+ EstimateMemoryUsage(unique_position_fields) + |
+ EstimateMemoryUsage(attachment_metadata_fields); |
+ } |
+ return memory_usage_; |
+} |
+ |
std::unique_ptr<base::ListValue> EntryKernelMutationMapToValue( |
const EntryKernelMutationMap& mutations) { |
std::unique_ptr<base::ListValue> list(new base::ListValue()); |