Remove rtc_peer_connection_handler.cc's OverrideDefaultCertificate

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

Index: content/renderer/media/webrtc/peer_connection_dependency_factory.cc
diff --git a/content/renderer/media/webrtc/peer_connection_dependency_factory.cc b/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
index 76888542d541a9f9822318f4247ea3107da0788c..edcbb4bfa0af0bc0fee0d22aae793a4f82e8bbca 100644
--- a/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
+++ b/content/renderer/media/webrtc/peer_connection_dependency_factory.cc
@@ -61,7 +61,6 @@
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
-#include "third_party/webrtc/api/dtlsidentitystore.h"
 #include "third_party/webrtc/api/mediaconstraintsinterface.h"
 #include "third_party/webrtc/base/ssladapter.h"
 #include "third_party/webrtc/modules/video_coding/codecs/h264/include/h264.h"
@@ -409,14 +408,6 @@ PeerConnectionDependencyFactory::CreatePeerConnection(
       .get();
 }
 
-// static
-rtc::scoped_refptr<rtc::RTCCertificate>
-PeerConnectionDependencyFactory::GenerateDefaultCertificate() {
-  std::unique_ptr<rtc::SSLIdentity> identity(rtc::SSLIdentity::Generate(
-      webrtc::kIdentityName, rtc::KeyParams::ECDSA(rtc::EC_NIST_P256)));
-  return rtc::RTCCertificate::Create(std::move(identity));
-}
-
 scoped_refptr<webrtc::MediaStreamInterface>
 PeerConnectionDependencyFactory::CreateLocalMediaStream(
     const std::string& label) {