Speculatively launch Service Workers on mouse/touch events. [2/5]

components/network_hints/renderer/renderer_navigation_hint_sender.cc

+// Copyright 2016 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.
+
+#include "components/network_hints/renderer/renderer_navigation_hint_sender.h"
+
+#include "components/network_hints/common/network_hints_messages.h"
+#include "content/public/renderer/render_thread.h"
+
+using content::RenderThread;
+
+namespace network_hints {
+
+RendererNavigationHintSender::RendererNavigationHintSender() {}
+
+RendererNavigationHintSender::~RendererNavigationHintSender() {}
+
+void RendererNavigationHintSender::sendNavigationHint(
+    const GURL& url,
+    blink::WebNavigationHintType type) {
+  if (!url.is_valid())
+    return;
+  RenderThread::Get()->Send(new NetworkHintsMsg_NavigationHint(url, type));
+}
+
+}  // namespace network_hints