Cleanup unreachable cert adding code

chrome/browser/chromeos/platform_keys/platform_keys_nss.cc

Index: chrome/browser/chromeos/platform_keys/platform_keys_nss.cc
diff --git a/chrome/browser/chromeos/platform_keys/platform_keys_nss.cc b/chrome/browser/chromeos/platform_keys/platform_keys_nss.cc
index 594f9d7293832cdb3463e48be56ffe77075c190d..35366dc177c0b411e1dddb260d31acccd122b880 100644
--- a/chrome/browser/chromeos/platform_keys/platform_keys_nss.cc
+++ b/chrome/browser/chromeos/platform_keys/platform_keys_nss.cc
@@ -43,6 +43,7 @@
 #include "net/cert/nss_cert_database.h"
 #include "net/cert/x509_util_nss.h"
 #include "net/ssl/ssl_cert_request_info.h"
+#include "net/third_party/mozilla_security_manager/nsNSSCertificateDB.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
@@ -619,31 +620,26 @@ void GetCertificatesWithDB(std::unique_ptr<GetCertificatesState> state,
 void ImportCertificateWithDB(std::unique_ptr<ImportCertificateState> state,
                              net::NSSCertDatabase* cert_db) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  // TODO(pneubeck): Use |state->slot_| to verify that we're really importing to
-  // the correct token.
-  // |cert_db| is not required, ignore it.
-  net::CertDatabase* db = net::CertDatabase::GetInstance();
-
-  const net::Error cert_status =
-      static_cast<net::Error>(db->CheckUserCert(state->certificate_.get()));
-  if (cert_status == net::ERR_NO_PRIVATE_KEY_FOR_CERT) {
-    state->OnError(FROM_HERE, kErrorKeyNotFound);
+
+  if (!state->certificate_) {
+    state->OnError(FROM_HERE, net::ErrorToString(net::ERR_CERT_INVALID));
     return;
-  } else if (cert_status != net::OK) {
-    state->OnError(FROM_HERE, net::ErrorToString(cert_status));
+  }
+  if (state->certificate_->HasExpired()) {
+    state->OnError(FROM_HERE, net::ErrorToString(net::ERR_CERT_DATE_INVALID));
     return;
   }
 
   // Check that the private key is in the correct slot.
-  PK11SlotInfo* slot =
-      PK11_KeyForCertExists(state->certificate_->os_cert_handle(), NULL, NULL);
-  if (slot != state->slot_.get()) {
+  crypto::ScopedPK11Slot slot(
+      PK11_KeyForCertExists(state->certificate_->os_cert_handle(), NULL, NULL));
+  if (slot.get() != state->slot_.get()) {
     state->OnError(FROM_HERE, kErrorKeyNotFound);
     return;
   }
 
-  const net::Error import_status =
-      static_cast<net::Error>(db->AddUserCert(state->certificate_.get()));
+  const net::Error import_status = static_cast<net::Error>(
+      cert_db->ImportUserCert(state->certificate_.get()));
   if (import_status != net::OK) {
     LOG(ERROR) << "Could not import certificate.";
     state->OnError(FROM_HERE, net::ErrorToString(import_status));