Replace c/b/nss_context by a KeyedService.

chrome/browser/certificate_manager_model.cc

Index: chrome/browser/certificate_manager_model.cc
diff --git a/chrome/browser/certificate_manager_model.cc b/chrome/browser/certificate_manager_model.cc
index a129f087edb9d66ae42f321ed4d25832b298c847..501ea63fa169fa2c35fbf14e43da7f25474f7721 100644
--- a/chrome/browser/certificate_manager_model.cc
+++ b/chrome/browser/certificate_manager_model.cc
@@ -8,10 +8,12 @@
 #include "base/i18n/time_formatting.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/net/nss_context.h"
+#include "chrome/browser/net/cert_database_service_factory.h"
 #include "chrome/browser/ui/crypto_module_password_dialog_nss.h"
 #include "chrome/common/net/x509_certificate_model.h"
 #include "chrome/grit/generated_resources.h"
+#include "components/cert_database/public/cert_database_service.h"
+#include "components/cert_database/public/cert_database_service_io_part.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_context.h"
@@ -49,15 +51,17 @@ using content::BrowserThread;
 
 // static
 void CertificateManagerModel::Create(
-    content::BrowserContext* browser_context,
+    content::BrowserContext* context,
     CertificateManagerModel::Observer* observer,
     const CreationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  CertDatabaseService* cert_db_service =
+      CertDatabaseServiceFactory::GetForBrowserContext(context);
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&CertificateManagerModel::GetCertDBOnIOThread,
-                 browser_context->GetResourceContext(),
+                 cert_db_service->GetIOPart(),
                  observer,
                  callback));
 }
@@ -240,15 +244,17 @@ void CertificateManagerModel::DidGetCertDBOnIOThread(
 
 // static
 void CertificateManagerModel::GetCertDBOnIOThread(
-    content::ResourceContext* context,
+    base::WeakPtr<CertDatabaseServiceIOPart> cert_db_service_io,
     CertificateManagerModel::Observer* observer,
     const CreationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  net::NSSCertDatabase* cert_db = GetNSSCertDatabaseForResourceContext(
-      context,
-      base::Bind(&CertificateManagerModel::DidGetCertDBOnIOThread,
-                 observer,
-                 callback));
+  if (!cert_db_service_io)
+    return;
+
+  base::Callback<void(net::NSSCertDatabase*)> get_db_callback = base::Bind(
+      &CertificateManagerModel::DidGetCertDBOnIOThread, observer, callback);
+  net::NSSCertDatabase* cert_db =
+      cert_db_service_io->GetNSSCertDatabase(get_db_callback);
   if (cert_db)
-    DidGetCertDBOnIOThread(observer, callback, cert_db);
+    get_db_callback.Run(cert_db);
 }