*WIP* Store NSS slots per profile. Move keygen to chrome.

chrome/browser/net/keygen_handler_generic.cc

Index: chrome/browser/net/keygen_handler_generic.cc
diff --git a/chrome/browser/net/keygen_handler_generic.cc b/chrome/browser/net/keygen_handler_generic.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8f1caaca4ec7ebdd6f6c6664115cb76fedd6b826
--- /dev/null
+++ b/chrome/browser/net/keygen_handler_generic.cc
@@ -0,0 +1,59 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This is the generic wrapper used for keygen on non-NSS platforms.
+
+#include "chrome/browser/net/keygen_handler.h"
+
+#include "base/bind.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/threading/worker_pool.h"
+#include "net/base/keygen_handler.h"
+
+namespace {
+
+void KeygenOnWorkerThread(
+    int key_size_in_bits,
+    const std::string& challenge,
+    const GURL& url,
+    bool stores_key,
+    std::string* result) {
+  net::KeygenHandler handler(key_size_in_bits, challenge, url);
+  handler.set_stores_key(stores_key);
+  *result = handler.GenKeyAndSignChallenge();
+}
+
+}  // namespace
+
+namespace chrome {
+
+void Keygen(content::ResourceContext* context,
+            int key_size_in_bits,
+            const std::string& challenge,
+            const GURL& url,
+            bool stores_key,
+            const base::Callback<void(const std::string*)>& callback) {
+
+  VLOG(1) << "Dispatching keygen task to worker pool.";
+  std::string* result(new std::string());
+  // Dispatch to worker pool, so we do not block the IO thread.
+  if (!base::WorkerPool::PostTaskAndReply(
+          FROM_HERE,
+          base::Bind(&KeygenOnWorkerThread,
+                     key_size_in_bits,
+                     challenge,
+                     url,
+                     stores_key,
+                     result),
+          base::Bind(callback, base::Owned(result)),
+          true)) {
+    NOTREACHED() << "Failed to dispatch keygen task to worker pool";
+    callback.Run(NULL);
+    return;
+  }
+}
+
+}  // namespace chrome
+