Adding <keygen> Content Setting (Final)

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 1fa92f3d3671b0f09a9433f95a349f7741db5a68..632d63bacc3feea66174adeb4b769d8a86f4a039 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -847,12 +847,14 @@ blink::WebPublicSuffixList* RendererBlinkPlatformImpl::publicSuffixList() {
 blink::WebString RendererBlinkPlatformImpl::signedPublicKeyAndChallengeString(
     unsigned key_size_index,
     const blink::WebString& challenge,
-    const blink::WebURL& url) {
+    const blink::WebURL& url,
+    const blink::WebURL& parent_url) {
   std::string signed_public_key;
   RenderThread::Get()->Send(new RenderProcessHostMsg_Keygen(
       static_cast<uint32>(key_size_index),
       challenge.utf8(),
       GURL(url),
+      GURL(parent_url),
       &signed_public_key));
   return WebString::fromUTF8(signed_public_key);
 }