Support generation of EC keys using P256 curve and support ECDSA certs.

webrtc/base/ssladapter_unittest.cc

Index: webrtc/base/ssladapter_unittest.cc
diff --git a/webrtc/base/ssladapter_unittest.cc b/webrtc/base/ssladapter_unittest.cc
index 9a0548602e20eae23eb1550eaaf0c7b967052298..0217294128fabb153c8846b463c40b0bb1725394 100644
--- a/webrtc/base/ssladapter_unittest.cc
+++ b/webrtc/base/ssladapter_unittest.cc
@@ -132,7 +132,7 @@ class SSLAdapterTestDummyServer : public sigslot::has_slots<> {
   explicit SSLAdapterTestDummyServer(const rtc::SSLMode& ssl_mode)
       : ssl_mode_(ssl_mode) {
     // Generate a key pair and a certificate for this host.
-    ssl_identity_.reset(rtc::SSLIdentity::Generate(GetHostname()));
+    ssl_identity_.reset(rtc::SSLIdentity::Generate(GetHostname(), rtc::KT_RSA));
 
     server_socket_.reset(CreateSocket(ssl_mode_));
 
@@ -382,4 +382,3 @@ TEST_F(SSLAdapterTestDTLS, TestDTLSTransfer) {
 }
 
 #endif  // SSL_USE_OPENSSL
-