Implement WebPrescientNetworking to trigger preconnect from Blink

chrome/renderer/net/prescient_networking_dispatcher.h

Index: chrome/renderer/net/prescient_networking_dispatcher.h
diff --git a/chrome/renderer/net/prescient_networking_dispatcher.h b/chrome/renderer/net/prescient_networking_dispatcher.h
new file mode 100644
index 0000000000000000000000000000000000000000..da89dda8d5b73cd2d3b9d9aef8934b896bece78b
--- /dev/null
+++ b/chrome/renderer/net/prescient_networking_dispatcher.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef CHROME_RENDERER_NET_PRESCIENT_NETWORKING_DISPATCHER_H_
+#define CHROME_RENDERER_NET_PRESCIENT_NETWORKING_DISPATCHER_H_
+
+#include "base/compiler_specific.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebPrescientNetworking.h"
+
+class PrescientNetworkingDispatcher : public WebKit::WebPrescientNetworking {
+ public:
+  virtual ~PrescientNetworkingDispatcher();
+
+  virtual void preconnect(const WebKit::WebURL& url,
+                          WebKit::WebPreconnectMotivation motivation) OVERRIDE;
+};
+
+#endif  // CHROME_RENDERER_NET_PRESCIENT_NETWORKING_DISPATCHER_H_