Replace c/b/nss_context by a KeyedService.

chromeos/network/onc/onc_certificate_importer_impl_unittest.cc

Index: chromeos/network/onc/onc_certificate_importer_impl_unittest.cc
diff --git a/chromeos/network/onc/onc_certificate_importer_impl_unittest.cc b/chromeos/network/onc/onc_certificate_importer_impl_unittest.cc
index 362676bc184a141bd1887992e4050d232f161ff3..8d02f0622946dee9be324743ab8aaf123deab775 100644
--- a/chromeos/network/onc/onc_certificate_importer_impl_unittest.cc
+++ b/chromeos/network/onc/onc_certificate_importer_impl_unittest.cc
@@ -17,6 +17,7 @@
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chromeos/network/onc/onc_test_utils.h"
+#include "components/cert_database/public/cert_database_service_io_part.h"
 #include "components/onc/onc_constants.h"
 #include "crypto/scoped_test_nss_db.h"
 #include "net/base/crypto_module.h"
@@ -60,6 +61,16 @@ net::CertType GetCertType(net::X509Certificate::OSCertHandle cert) {
 }
 #endif  // USE_NSS
 
+class FakeCertDatabaseServiceIOPart
+    : public cert_database::CertDatabaseServiceIOPart {
+ public:
+  explicit FakeCertDatabaseServiceIOPart(scoped_ptr<net::NSSCertDatabase> db) {
+    SetNSSCertDatabase(db.Pass());
+  }
+
+  ~FakeCertDatabaseServiceIOPart() override {}
+};
+
 }  // namespace
 
 class ONCCertificateImporterImplTest : public testing::Test {
@@ -75,9 +86,10 @@ class ONCCertificateImporterImplTest : public testing::Test {
     thread_task_runner_handle_.reset(
         new base::ThreadTaskRunnerHandle(task_runner_));
 
-    test_nssdb_.reset(new net::NSSCertDatabaseChromeOS(
+    scoped_ptr<net::NSSCertDatabase> nss_db(new net::NSSCertDatabaseChromeOS(
         crypto::ScopedPK11Slot(PK11_ReferenceSlot(public_nssdb_.slot())),
         crypto::ScopedPK11Slot(PK11_ReferenceSlot(private_nssdb_.slot()))));
+    cert_db_io_.reset(new FakeCertDatabaseServiceIOPart(nss_db.Pass()));
 
     // Test db should be empty at start of test.
     EXPECT_TRUE(ListCertsInPublicSlot().empty());
@@ -108,7 +120,7 @@ class ONCCertificateImporterImplTest : public testing::Test {
     onc_certificates_.reset(certificates);
 
     web_trust_certificates_.clear();
-    CertificateImporterImpl importer(task_runner_, test_nssdb_.get());
+    CertificateImporterImpl importer(task_runner_, cert_db_io_->GetWeakPtr());
     importer.ImportCertificates(
         *certificates,
         ::onc::ONC_SOURCE_USER_IMPORT,  // allow web trust
@@ -153,7 +165,7 @@ class ONCCertificateImporterImplTest : public testing::Test {
 
   scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
   scoped_ptr<base::ThreadTaskRunnerHandle> thread_task_runner_handle_;
-  scoped_ptr<net::NSSCertDatabaseChromeOS> test_nssdb_;
+  scoped_ptr<FakeCertDatabaseServiceIOPart> cert_db_io_;
   scoped_ptr<base::ListValue> onc_certificates_;
   // List of certs in the nssdb's public slot.
   net::CertificateList public_list_;