RTCCertificate.getFingerprints added (exposed to the web)

third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h

Index: third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h
diff --git a/third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h b/third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h
index 837ff114825262c9a5435341d13c46490ccb5816..2a00b62161bd86af5810f05afb0cdba4bc6a00ca 100644
--- a/third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h
+++ b/third_party/WebKit/Source/modules/peerconnection/RTCCertificate.h
@@ -34,12 +34,19 @@
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMTimeStamp.h"
 #include "modules/ModulesExport.h"
+#include "modules/peerconnection/RTCDtlsFingerprint.h"
 #include "platform/heap/GarbageCollected.h"
+#include "platform/wtf/Vector.h"
+#include "platform/wtf/text/WTFString.h"
 #include "public/platform/WebRTCCertificate.h"
+#include "v8/include/v8.h"
+
 #include <memory>
 
 namespace blink {
 
+class ScriptState;
+
 class MODULES_EXPORT RTCCertificate final
     : public GarbageCollectedFinalized<RTCCertificate>,
       public ScriptWrappable {
@@ -57,9 +64,17 @@ class MODULES_EXPORT RTCCertificate final
 
   // Returns the expiration time in ms relative to epoch, 1970-01-01T00:00:00Z.
   DOMTimeStamp expires() const;
+  // Returns "FrozenArray<RTCDtlsFingerprint>" as per IDL. Because
+  // |RTCDtlsFingerprint| is a dictionary type, vectors of
+  // |RTCDtlsFingerprint| are not allowed (due to
+  // |DISALLOW_NEW_EXCEPT_PLACEMENT_NEW|). |toV8| is used to convert the
+  // |RTCDtlsFingerprint| objects to |v8::Value|s which can populate vectors.
+  Vector<v8::Local<v8::Value>> fingerprints(ScriptState*);
 
  private:
   std::unique_ptr<WebRTCCertificate> certificate_;
+  // Cache for the result of |fingerprints|.
+  Vector<v8::Global<v8::Value>> fingerprints_;
 };
 
 }  // namespace blink