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

webrtc/base/sslidentity.cc

Index: webrtc/base/sslidentity.cc
diff --git a/webrtc/base/sslidentity.cc b/webrtc/base/sslidentity.cc
index ea9f547a87d812cac35fac39ad562c15d1103afd..9f899a699bd9ce3ee01be8f1bafa8d337d31cdf7 100644
--- a/webrtc/base/sslidentity.cc
+++ b/webrtc/base/sslidentity.cc
@@ -108,7 +108,8 @@ SSLCertificate* SSLCertificate::FromPEMString(const std::string& pem_string) {
   return NULL;
 }
 
-SSLIdentity* SSLIdentity::Generate(const std::string& common_name) {
+SSLIdentity* SSLIdentity::Generate(const std::string& common_name,
+                                   KeyType key_type) {
   return NULL;
 }
 
@@ -127,12 +128,14 @@ SSLCertificate* SSLCertificate::FromPEMString(const std::string& pem_string) {
   return OpenSSLCertificate::FromPEMString(pem_string);
 }
 
-SSLIdentity* SSLIdentity::Generate(const std::string& common_name) {
-  return OpenSSLIdentity::Generate(common_name);
+SSLIdentity* SSLIdentity::Generate(const std::string& common_name,
+                                   KeyType key_type) {
+  return OpenSSLIdentity::Generate(common_name, key_type);
 }
 
-SSLIdentity* SSLIdentity::GenerateForTest(const SSLIdentityParams& params) {
-  return OpenSSLIdentity::GenerateForTest(params);
+SSLIdentity* SSLIdentity::GenerateForTest(const SSLIdentityParams& params,
+                                          KeyType key_type) {
+  return OpenSSLIdentity::GenerateForTest(params, key_type);
 }
 
 SSLIdentity* SSLIdentity::FromPEMStrings(const std::string& private_key,
@@ -146,12 +149,14 @@ SSLCertificate* SSLCertificate::FromPEMString(const std::string& pem_string) {
   return NSSCertificate::FromPEMString(pem_string);
 }
 
-SSLIdentity* SSLIdentity::Generate(const std::string& common_name) {
-  return NSSIdentity::Generate(common_name);
+SSLIdentity* SSLIdentity::Generate(const std::string& common_name,
+                                   KeyType key_type) {
+  return NSSIdentity::Generate(common_name, key_type);
 }
 
-SSLIdentity* SSLIdentity::GenerateForTest(const SSLIdentityParams& params) {
-  return NSSIdentity::GenerateForTest(params);
+SSLIdentity* SSLIdentity::GenerateForTest(const SSLIdentityParams& params,
+                                          KeyType key_type) {
+  return NSSIdentity::GenerateForTest(params, key_type);
 }
 
 SSLIdentity* SSLIdentity::FromPEMStrings(const std::string& private_key,