Ability to persist RTCCertificate in IndexedDB (enables cloning).

content/renderer/media/rtc_certificate_generator.cc

Index: content/renderer/media/rtc_certificate_generator.cc
diff --git a/content/renderer/media/rtc_certificate_generator.cc b/content/renderer/media/rtc_certificate_generator.cc
index 5344feda4a87478be93fe06c585f7a3f85c4cf9f..94b94fb1c899520cd8520b5bde5b9b1c9ebc4e6a 100644
--- a/content/renderer/media/rtc_certificate_generator.cc
+++ b/content/renderer/media/rtc_certificate_generator.cc
@@ -115,7 +115,7 @@ class RTCCertificateIdentityObserver
         FROM_HERE,
         base::Bind(&RTCCertificateIdentityObserver::DoCallbackOnMainThread,
                    this, base::Passed(base::WrapUnique(
-                             new RTCCertificate(key_params_, certificate)))));
+                             new RTCCertificate(certificate)))));
   }
 
   void DoCallbackOnMainThread(
@@ -197,4 +197,14 @@ bool RTCCertificateGenerator::isSupportedKeyParams(
   return WebRTCKeyParamsToKeyParams(key_params).IsValid();
 }
 
+std::unique_ptr<blink::WebRTCCertificate> RTCCertificateGenerator::fromPEM(
+    const std::string& pem_private_key,
+    const std::string& pem_certificate) {
+  rtc::scoped_refptr<rtc::RTCCertificate> certificate =
+      rtc::RTCCertificate::FromPEM(
+          rtc::RTCCertificatePEM(pem_private_key, pem_certificate));
+  return std::unique_ptr<blink::WebRTCCertificate>(
+      new RTCCertificate(certificate));
+}
+
 }  // namespace content