[Sync] Implement MemoryDumpProvider.

components/sync/protocol/proto_value_conversions_unittest.cc

Index: components/sync/protocol/proto_value_conversions_unittest.cc
diff --git a/components/sync/protocol/proto_value_conversions_unittest.cc b/components/sync/protocol/proto_value_conversions_unittest.cc
index fd8cee020f9ff6bdd5ab67b5057638fe24db3bb1..9015e5c344053250e2705ac6aa51952b4fae47db 100644
--- a/components/sync/protocol/proto_value_conversions_unittest.cc
+++ b/components/sync/protocol/proto_value_conversions_unittest.cc
@@ -92,6 +92,13 @@ TEST_F(ProtoValueConversionsTest, NavigationRedirectToValue) {
   TestSpecificsToValue(NavigationRedirectToValue);
 }
 
+TEST_F(ProtoValueConversionsTest, PasswordSpecifics) {
+  sync_pb::PasswordSpecifics specifics;
+  specifics.mutable_client_only_encrypted_data();
+  auto value = PasswordSpecificsToValue(specifics);
+  EXPECT_FALSE(value->Get("client_only_encrypted_data", nullptr));
+}
+
 TEST_F(ProtoValueConversionsTest, PasswordSpecificsData) {
   sync_pb::PasswordSpecificsData specifics;
   specifics.set_password_value("secret");