Fix leak of MultiThreadedCertVerifier in ProfileIOData.

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index eed446ea6c26e2d4d35af22c122920602d4e755f..aae3d3003dc2ffdebffad7b43153d5bc3827649f 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -47,6 +47,7 @@ class InfoMap;
 }
 
 namespace net {
+class CertVerifier;
 class ChannelIDService;
 class CookieStore;
 class FraudulentCertificateReporter;
@@ -587,7 +588,9 @@ class ProfileIOData {
   mutable scoped_ptr<net::HttpServerProperties>
       http_server_properties_;
 #if defined(OS_CHROMEOS)
-  mutable scoped_ptr<policy::PolicyCertVerifier> cert_verifier_;
+  // Set if a PolicyCertVerifier is used. Owned by |cert_verifier_|.

[mattm, 2014/08/27 18:50:28]

Maybe add / clarify comment that cert_verifier_ will still be set when
policy_cert_verifier_ is NULL? Maybe something like "Set if |cert_verifier_| is
a PolicyCertVerifier."?

+  mutable policy::PolicyCertVerifier* policy_cert_verifier_;
+  mutable scoped_ptr<net::CertVerifier> cert_verifier_;
   mutable std::string username_hash_;
   mutable bool use_system_key_slot_;
 #endif