[Payments] Add web app manifest section table in SQLite web database

components/webdata_services/web_data_service_wrapper.cc

Index: components/webdata_services/web_data_service_wrapper.cc
diff --git a/components/webdata_services/web_data_service_wrapper.cc b/components/webdata_services/web_data_service_wrapper.cc
index a8ff689fe4836b1adf07310d24d89418b6f93ea7..738162f2bc249d5109d1c0aaa198435f3c96b6fc 100644
--- a/components/webdata_services/web_data_service_wrapper.cc
+++ b/components/webdata_services/web_data_service_wrapper.cc
@@ -19,6 +19,7 @@
 #include "components/autofill/core/browser/webdata/autofill_wallet_syncable_service.h"
 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/password_manager/core/browser/webdata/logins_table.h"
+#include "components/payments/content/payment_manifest_section_table.h"
 #include "components/search_engines/keyword_table.h"
 #include "components/search_engines/keyword_web_data_service.h"
 #include "components/signin/core/browser/webdata/token_service_table.h"
@@ -93,6 +94,8 @@ WebDataServiceWrapper::WebDataServiceWrapper(
   // the old logins table. We can remove this after a while, e.g. in M22 or so.
   web_database_->AddTable(base::WrapUnique(new LoginsTable));
   web_database_->AddTable(base::WrapUnique(new TokenServiceTable));
+  web_database_->AddTable(
+      base::MakeUnique<payments::PaymentManifestSectionTable>());

[Peter Kasting, 2017/04/06 19:04:36]

Thanks for using MakeUnique!  Optional: While here, also change the lines above
to use it.

[gogerald1, 2017/04/07 17:51:07]

Done.

   web_database_->LoadDatabase();
 
   autofill_web_data_ = new autofill::AutofillWebDataService(