Add ClientCertStoreChromeOS which only returns the certs for a given user.

net/cert/nss_profile_filter_chromeos.h

Index: net/cert/nss_profile_filter_chromeos.h
diff --git a/net/cert/nss_profile_filter_chromeos.h b/net/cert/nss_profile_filter_chromeos.h
new file mode 100644
index 0000000000000000000000000000000000000000..68bed8a695dbffb8927a6df596b033fefb3174c8
--- /dev/null
+++ b/net/cert/nss_profile_filter_chromeos.h
@@ -0,0 +1,50 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_CERT_NSS_PROFILE_FILTER_CHROMEOS
+#define NET_CERT_NSS_PROFILE_FILTER_CHROMEOS
+
+#include "base/callback_forward.h"
+#include "crypto/scoped_nss_types.h"
+#include "net/base/crypto_module.h"
+#include "net/cert/x509_certificate.h"
+
+namespace content {
+class ResourceContext;
+}  // namespace content
+
+namespace net {
+
+class NET_EXPORT NSSProfileFilterChromeOS {
+ public:
+  NSSProfileFilterChromeOS();
+  ~NSSProfileFilterChromeOS();
+
+  // Initialize with slot handles.
+  void Init(crypto::ScopedPK11Slot public_slot,
+            crypto::ScopedPK11Slot private_slot);
+
+  bool IsModuleAllowed(PK11SlotInfo* slot) const;
+  bool IsCertAllowed(const scoped_refptr<X509Certificate>& cert) const;
+  // Predicate that can be used with remove_if.  The operator() returns

[Ryan Sleevi, 2013/12/11 06:52:50]

nit: add linebreak

[mattm, 2013/12/12 00:45:22]

Done.

+  // !IsCertAllowed(cert) or !IsModuleAllowed(module->os_module_handle()).
+  class Predicate {

[Ryan Sleevi, 2013/12/11 06:52:50]

naming nit: The naming here isn't very clear, and the comment itself makes it
hard to understand.

class NotAllowedForProfilePredicate ?

design nit: Having the double operator overloading seems dangerous per the style
guide

[mattm, 2013/12/12 00:45:22]

Renamed and split into two.

+   public:
+    Predicate(const NSSProfileFilterChromeOS& filter);
+    bool operator()(const scoped_refptr<CryptoModule>& module) const;
+    bool operator()(const scoped_refptr<X509Certificate>& cert) const;
+   private:

[Ryan Sleevi, 2013/12/11 06:52:50]

style nit: line break

[mattm, 2013/12/12 00:45:22]

Done.

+    const NSSProfileFilterChromeOS& filter_;
+  };
+
+ private:
+  crypto::ScopedPK11Slot public_slot_;
+  crypto::ScopedPK11Slot private_slot_;
+
+  DISALLOW_COPY_AND_ASSIGN(NSSProfileFilterChromeOS);
+};
+
+}  // namespace net
+
+#endif  // NET_CERT_NSS_PROFILE_FILTER_CHROMEOS