Added a PolicyCertVerifier that uses the trust anchors from the ONC policies.

chrome/browser/chromeos/policy/network_configuration_updater.h

Index: chrome/browser/chromeos/policy/network_configuration_updater.h
diff --git a/chrome/browser/chromeos/policy/network_configuration_updater.h b/chrome/browser/chromeos/policy/network_configuration_updater.h
index bd0bcd94619a928c0df5c7d04a71b36da042947d..98fb64c0f6ca3b8d1676975cc475e2f21f7fe880 100644
--- a/chrome/browser/chromeos/policy/network_configuration_updater.h
+++ b/chrome/browser/chromeos/policy/network_configuration_updater.h
@@ -17,6 +17,10 @@ namespace base {
 class Value;
 }
 
+namespace net {
+class CertTrustAnchorProvider;
+}
+
 namespace policy {
 
 class PolicyMap;
@@ -45,9 +49,20 @@ class NetworkConfigurationUpdater
   void OnUserPolicyInitialized();
 
   // Web trust isn't given to certificates imported from ONC by default. Setting
-  // |allow_web_trust| to true allows giving Web trust to the certificates that
+  // |allow| to true allows giving Web trust to the certificates that
   // request it.
-  void set_allow_web_trust(bool allow) { allow_web_trust_ = allow; }
+  void set_allow_trusted_certificates_from_policy(bool allow) {
+    allow_trusted_certificates_from_policy_ = allow;
+  }
+
+  // Returns a CertTrustAnchorProvider that provides the list of server and
+  // CA certificates with the Web trust flag set that were retrieved from the
+  // last user ONC policy update.
+  // This getter must be used on UI, and the provider must be used on IO. It

[Greg Spencer (Chromium), 2013/04/01 16:03:42]

"on UI" --> "on the UI thread"
(same with IO)

[Joao da Silva, 2013/04/03 15:24:39]

Done.

+  // is only valid as long as the NetworkConfigurationUpdater is valid; the
+  // NetworkConfigurationUpdater outlives all the profiles, and deletes the
+  // provider on the IO thread.
+  net::CertTrustAnchorProvider* GetCertTrustAnchorProvider();
 
  private:
   // Callback that's called by |policy_service_| if the respective ONC policy
@@ -76,11 +91,15 @@ class NetworkConfigurationUpdater
   bool user_policy_initialized_;
 
   // Whether Web trust is allowed or not.
-  bool allow_web_trust_;
+  bool allow_trusted_certificates_from_policy_;
 
   // The policy service storing the ONC policies.
   PolicyService* policy_service_;
 
+  // An implementation of CertTrustAnchorProvider. Owned by the updater, but
+  // lives on the IO thread.
+  net::CertTrustAnchorProvider* cert_trust_provider_;
+
   DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationUpdater);
 };