RTCCertificate.getFingerprints added (exposed to the web)

content/renderer/media/rtc_certificate.h

Index: content/renderer/media/rtc_certificate.h
diff --git a/content/renderer/media/rtc_certificate.h b/content/renderer/media/rtc_certificate.h
index 05313d387289ec7f665c9dfe4fe172b29fe756c1..c62ed957dc573ccc2d5fc68eca381f9053eba8e0 100644
--- a/content/renderer/media/rtc_certificate.h
+++ b/content/renderer/media/rtc_certificate.h
@@ -28,6 +28,8 @@ class CONTENT_EXPORT RTCCertificate
   // blink::WebRTCCertificate implementation.
   std::unique_ptr<blink::WebRTCCertificate> ShallowCopy() const override;
   uint64_t Expires() const override;
+  blink::WebVector<blink::WebRTCDtlsFingerprint> GetFingerprints()
+      const override;
   blink::WebRTCCertificatePEM ToPEM() const override;
   bool Equals(const blink::WebRTCCertificate& other) const override;