Passing NULL PeerConnectionIdentityService to Libjingle when Chrome is using openssl.

content/renderer/media/peer_connection_identity_service.cc

 // Copyright 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.
 
 #include "content/renderer/media/peer_connection_identity_service.h"
 
 #include "content/renderer/media/webrtc_identity_service.h"
 #include "content/renderer/render_thread_impl.h"
 
 namespace content {
 
-PeerConnectionIdentityService::PeerConnectionIdentityService(const GURL& origin)
-    : origin_(origin), pending_observer_(NULL), pending_request_id_(0) {}
+PeerConnectionIdentityService* PeerConnectionIdentityService::Create(
+    const GURL& origin) {
+// The crypto APIs needed for generating identities are not implenented for
+// OPENSSL yet (crbug/91512). So returning NULL in that case.
+// TODO(jiayl): remove the #if once the crypto APIs are implemented for OPENSSL.
+#if defined(USE_OPENSSL)
+  return NULL;
+#else
+  return new PeerConnectionIdentityService(origin);
+#endif  // defined(USE_OPENSSL)
+}
 
 PeerConnectionIdentityService::~PeerConnectionIdentityService() {
   if (pending_observer_)
     RenderThreadImpl::current()->get_webrtc_identity_service()
         ->CancelRequest(pending_request_id_);
 }
 
 bool PeerConnectionIdentityService::RequestIdentity(
     const std::string& identity_name,
     const std::string& common_name,
     webrtc::DTLSIdentityRequestObserver* observer) {
   DCHECK(observer);
   if (pending_observer_)
     return false;
 
   pending_observer_ = observer;
   pending_request_id_ = RenderThreadImpl::current()
       ->get_webrtc_identity_service()->RequestIdentity(
           origin_,
           identity_name,
           common_name,
           base::Bind(&PeerConnectionIdentityService::OnIdentityReady,
                      base::Unretained(this)),
           base::Bind(&PeerConnectionIdentityService::OnRequestFailed,
                      base::Unretained(this)));
   return true;
 }
 
+PeerConnectionIdentityService::PeerConnectionIdentityService(const GURL& origin)
+    : origin_(origin), pending_observer_(NULL), pending_request_id_(0) {}
+
 void PeerConnectionIdentityService::OnIdentityReady(
     const std::string& certificate,
     const std::string& private_key) {
   pending_observer_->OnSuccess(certificate, private_key);
   ResetPendingRequest();
 }
 
 void PeerConnectionIdentityService::OnRequestFailed(int error) {
   pending_observer_->OnFailure(error);
   ResetPendingRequest();
 }
 
 void PeerConnectionIdentityService::ResetPendingRequest() {
   pending_observer_ = NULL;
   pending_request_id_ = 0;
 }
 
 }  // namespace content