RTCCertificate and RTCPeerConnection.generateCertificate added to JavaScript

public/platform/WebRTCCertificate.h

Index: public/platform/WebRTCCertificate.h
diff --git a/Source/core/timing/PerformanceRenderTiming.h b/public/platform/WebRTCCertificate.h
similarity index 57%
copy from Source/core/timing/PerformanceRenderTiming.h
copy to public/platform/WebRTCCertificate.h
index 87e115b15e4c569fdfb72e8d1bf88501d20f8d34..73bf34b7a7b3b7816f31c632f0c3747e23b1c775 100644
--- a/Source/core/timing/PerformanceRenderTiming.h
+++ b/public/platform/WebRTCCertificate.h
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2015 Google Inc. All rights reserved.
- * Copyright (C) 2015 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -29,40 +28,37 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef PerformanceRenderTiming_h
-#define PerformanceRenderTiming_h
+#ifndef WebRTCCertificate_h
+#define WebRTCCertificate_h
 
-#include "core/timing/PerformanceEntry.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
-#include "wtf/text/WTFString.h"
+#include "public/platform/WebRTCKeyType.h"
+#include "wtf/Noncopyable.h"
 
 namespace blink {
 
-class Document;
-
-class PerformanceRenderTiming final : public PerformanceEntry {
-    DEFINE_WRAPPERTYPEINFO();
+// Interface defining what blink needs to know about certificates (abstracting away
+// Chrome and WebRTC layer implementation details). You can create shallow copies of the
+// WebRTCCertificate. When all copies are destroyed, the implementation-specific data must
+// be freed. WebRTCCertificate objects thus act like references to the reference counted
+// internal data.
+class WebRTCCertificate {
+    WTF_MAKE_NONCOPYABLE(WebRTCCertificate);
 public:
-    static PerformanceRenderTiming* create(Document* requestingDocument, unsigned sourceFrame, double startTime, double finishTime)
-    {
-        return new PerformanceRenderTiming(requestingDocument, sourceFrame, startTime, finishTime);
-    }
-
-    unsigned sourceFrame() const;
-
-    bool isRender() override { return true; }
+    WebRTCCertificate() = default;
+    virtual ~WebRTCCertificate() = default;
 
-    DECLARE_VIRTUAL_TRACE();
+    // Copies the WebRTCCertificate object without copying the underlying
+    // implementation-specific (WebRTC layer) certificate. When all copies are destroyed
+    // the underlying data is freed.
+    virtual WebRTCCertificate* shallowCopy() const = 0;
 
-private:
-    PerformanceRenderTiming(Document* requestingDocument, unsigned sourceFrame, double startTime, double finishTime);
-    ~PerformanceRenderTiming() override;
+    virtual const WebRTCKeyType& keyType() const = 0;
 
-    unsigned m_sourceFrame;
-    RefPtrWillBeMember<Document> m_requestingDocument;
+    // The date and time after which the certificate should be considered
+    // invalid. Expressed in time since 1970-01-01T00:00:00Z in milliseconds.
+    virtual double expires() const = 0;
 };
 
 } // namespace blink
 
-#endif // PerformanceRenderTiming_h
+#endif // WebRTCCertificate_h