Replace c/b/nss_context by a KeyedService.

net/ssl/client_cert_store_chromeos.h

Index: net/ssl/client_cert_store_chromeos.h
diff --git a/net/ssl/client_cert_store_chromeos.h b/net/ssl/client_cert_store_chromeos.h
index f14619ab1e5a6ec899986dc3137a36795741f1d3..de619ff0d8c221e0a16d0042271a3aba24b2511f 100644
--- a/net/ssl/client_cert_store_chromeos.h
+++ b/net/ssl/client_cert_store_chromeos.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/memory/scoped_ptr.h"
 #include "crypto/scoped_nss_types.h"
 #include "net/cert/nss_profile_filter_chromeos.h"
 #include "net/ssl/client_cert_store_nss.h"
@@ -19,8 +20,7 @@ class NET_EXPORT ClientCertStoreChromeOS : public ClientCertStoreNSS {
   // the user's private and public slots. If |use_system_slot| is true, certs on
   // the system slot will also be returned.
   ClientCertStoreChromeOS(
-      bool use_system_slot,
-      const std::string& username_hash,
+      scoped_ptr<NSSProfileFilterChromeOSFactory> profile_filter_factory,
       const PasswordDelegateFactory& password_delegate_factory);
   virtual ~ClientCertStoreChromeOS();
 
@@ -37,14 +37,12 @@ class NET_EXPORT ClientCertStoreChromeOS : public ClientCertStoreNSS {
                                   CertificateList* selected_certs) override;
 
  private:
-  void DidGetSystemAndPrivateSlot(const SSLCertRequestInfo* request,
-                                  CertificateList* selected_certs,
-                                  const base::Closure& callback,
-                                  crypto::ScopedPK11Slot system_slot,
-                                  crypto::ScopedPK11Slot private_slot);
-
-  bool use_system_slot_;
-  std::string username_hash_;
+  void DidGetProfileFilter(const SSLCertRequestInfo* request,
+                           CertificateList* selected_certs,
+                           const base::Closure& callback,
+                           const NSSProfileFilterChromeOS& profile_filter);
+
+  scoped_ptr<NSSProfileFilterChromeOSFactory> profile_filter_factory_;
   NSSProfileFilterChromeOS profile_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientCertStoreChromeOS);