Hook up Autofill Backend interface to SyncableServices

components/webdata/common/web_database.cc

Index: components/webdata/common/web_database.cc
diff --git a/components/webdata/common/web_database.cc b/components/webdata/common/web_database.cc
index 82b2a749c444e085f23f7496bf92f610eaba57a6..6bda3bd8f41443eb00f8f6210b0e4a40e907cc62 100644
--- a/components/webdata/common/web_database.cc
+++ b/components/webdata/common/web_database.cc
@@ -44,9 +44,13 @@ sql::InitStatus FailedMigrationTo(int version_num) {
 
 }  // namespace
 
-WebDatabase::WebDatabase() {}
+WebDatabase::WebDatabase()
+  : weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+
+}
 
 WebDatabase::~WebDatabase() {
+  weak_ptr_factory_.InvalidateWeakPtrs();
 }
 
 void WebDatabase::AddTable(WebDatabaseTable* table) {
@@ -69,6 +73,10 @@ sql::Connection* WebDatabase::GetSQLConnection() {
   return &db_;
 }
 
+base::WeakPtr<WebDatabase> WebDatabase::AsWeakPtr() {
+  return weak_ptr_factory_.GetWeakPtr();
+}
+
 sql::InitStatus WebDatabase::Init(const base::FilePath& db_name) {
   // When running in unit tests, there is already a NotificationService object.
   // Since only one can exist at a time per thread, check first.