Remove default key slot from KeygenHandler.

content/browser/resource_context_impl.cc

Index: content/browser/resource_context_impl.cc
diff --git a/content/browser/resource_context_impl.cc b/content/browser/resource_context_impl.cc
index 6cd05277a87a96d0b46b13f034cbc75f999e03d9..ad84938a55c952852c9a459ecdd47253e0cadf18 100644
--- a/content/browser/resource_context_impl.cc
+++ b/content/browser/resource_context_impl.cc
@@ -13,7 +13,6 @@
 #include "content/browser/webui/url_data_manager_backend.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
-#include "net/base/keygen_handler.h"
 #include "net/ssl/client_cert_store.h"
 
 using base::UserDataAdapter;
@@ -69,15 +68,6 @@ scoped_ptr<net::ClientCertStore> ResourceContext::CreateClientCertStore() {
   return scoped_ptr<net::ClientCertStore>();
 }
 
-void ResourceContext::CreateKeygenHandler(
-    uint32 key_size_in_bits,
-    const std::string& challenge_string,
-    const GURL& url,
-    const base::Callback<void(scoped_ptr<net::KeygenHandler>)>& callback) {
-  callback.Run(make_scoped_ptr(
-      new net::KeygenHandler(key_size_in_bits, challenge_string, url)));
-}
-
 ChromeBlobStorageContext* GetChromeBlobStorageContextForResourceContext(
     ResourceContext* resource_context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));