Adding macro to enable changing SSL library (Part 1)

net/cert/multi_threaded_cert_verifier.cc

Index: net/cert/multi_threaded_cert_verifier.cc
diff --git a/net/cert/multi_threaded_cert_verifier.cc b/net/cert/multi_threaded_cert_verifier.cc
index 714b291b2bb0ba10e7b815dea899243b0dbaf236..f900a1f89b56ae3f4e7f85ad12122d9efdb1230a 100644
--- a/net/cert/multi_threaded_cert_verifier.cc
+++ b/net/cert/multi_threaded_cert_verifier.cc
@@ -29,7 +29,7 @@
 #include "net/cert/x509_certificate_net_log_param.h"
 #include "net/log/net_log.h"
 
-#if defined(USE_NSS_CERTS) || defined(OS_IOS)
+#if defined(USE_NSS_VERIFIER)
 #include <private/pprthred.h>  // PR_DetachThread
 #endif
 
@@ -237,15 +237,15 @@ void DoVerifyOnWorkerThread(const scoped_refptr<CertVerifyProc>& verify_proc,
   *error = verify_proc->Verify(cert.get(), hostname, ocsp_response, flags,
                                crl_set.get(), additional_trust_anchors, result);
 
-#if defined(USE_NSS_CERTS) || defined(OS_IOS)
-    // Detach the thread from NSPR.
-    // Calling NSS functions attaches the thread to NSPR, which stores
-    // the NSPR thread ID in thread-specific data.
-    // The threads in our thread pool terminate after we have called
-    // PR_Cleanup.  Unless we detach them from NSPR, net_unittests gets
-    // segfaults on shutdown when the threads' thread-specific data
-    // destructors run.
-    PR_DetachThread();
+#if defined(USE_NSS_VERIFIER)
+  // Detach the thread from NSPR.
+  // Calling NSS functions attaches the thread to NSPR, which stores
+  // the NSPR thread ID in thread-specific data.
+  // The threads in our thread pool terminate after we have called
+  // PR_Cleanup.  Unless we detach them from NSPR, net_unittests gets
+  // segfaults on shutdown when the threads' thread-specific data
+  // destructors run.
+  PR_DetachThread();
 #endif
 }
 
@@ -591,4 +591,3 @@ CertVerifierJob* MultiThreadedCertVerifier::FindJob(const RequestParams& key) {
 }
 
 }  // namespace net
-