Adding <keygen> Content Setting (Final)

third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp b/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
index 160e50565160cdf2cb7904365ba33452527dbff3..f4588d289a6d5cb6526a595e46e76d472b0ea97c 100644
--- a/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
@@ -105,7 +105,10 @@ void HTMLKeygenElement::appendToFormData(FormData& formData)
     const AtomicString& keyType = fastGetAttribute(keytypeAttr);
     if (!keyType.isNull() && !equalIgnoringCase(keyType, "rsa"))
         return;
-    String value = Platform::current()->signedPublicKeyAndChallengeString(shadowSelect()->selectedIndex(), fastGetAttribute(challengeAttr), document().baseURL());
+    SecurityOrigin* topOrigin = document().frame()->tree().top()->securityContext()->securityOrigin();
+    String value = Platform::current()->signedPublicKeyAndChallengeString(
+        shadowSelect()->selectedIndex(), fastGetAttribute(challengeAttr), document().baseURL(),
+        KURL(KURL(), topOrigin->toString()));
     if (!value.isNull())
         formData.append(name(), value);
 }