Shift URLRequestContextStorage over to taking scoped_ptrs.

net/cert/cert_verifier.cc

Index: net/cert/cert_verifier.cc
diff --git a/net/cert/cert_verifier.cc b/net/cert/cert_verifier.cc
index 4152d55e583255d7c11383000688cafab6ec9349..3cd4a78a34186b910638d0e33bad78eb2ca47e5a 100644
--- a/net/cert/cert_verifier.cc
+++ b/net/cert/cert_verifier.cc
@@ -19,12 +19,14 @@ bool CertVerifier::SupportsOCSPStapling() {
   return false;
 }
 
-CertVerifier* CertVerifier::CreateDefault() {
+scoped_ptr<CertVerifier> CertVerifier::CreateDefault() {
 #if defined(OS_NACL)
   NOTIMPLEMENTED();
-  return nullptr;
+  return scoped_ptr<CertVerifier>();
 #else
-  return new MultiThreadedCertVerifier(CertVerifyProc::CreateDefault());
+  return make_scoped_ptr(
+             new MultiThreadedCertVerifier(CertVerifyProc::CreateDefault()))
+      .Pass();
 #endif
 }