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

components/network_hints/renderer/renderer_navigation_hint_sender.h

Index: components/network_hints/renderer/renderer_navigation_hint_sender.h
diff --git a/components/network_hints/renderer/renderer_navigation_hint_sender.h b/components/network_hints/renderer/renderer_navigation_hint_sender.h
new file mode 100644
index 0000000000000000000000000000000000000000..bf4f23ff3cd140edca40742cfcca704370f468d4
--- /dev/null
+++ b/components/network_hints/renderer/renderer_navigation_hint_sender.h
@@ -0,0 +1,33 @@
+// 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.
+
+#ifndef COMPONENTS_NETWORK_HINTS_RENDERER_NAVIGATION_HINT_SENDER_H_
+#define COMPONENTS_NETWORK_HINTS_RENDERER_NAVIGATION_HINT_SENDER_H_
+
+#include "base/macros.h"
+#include "url/gurl.h"
+
+namespace blink {
+enum class WebNavigationHintType;
+}
+
+namespace network_hints {
+
+// An internal interface to the network_hints component for efficiently sending
+// navigation hints to the browser process.
+class RendererNavigationHintSender {

[Julia Tuttle, 2016/07/18 14:44:37]

I would drop the "Sender" from the name here, for parallelism with
RendererDnsPrefetch and RendererPreconnect.

[horo, 2016/07/19 02:09:43]

Done.

+ public:
+  RendererNavigationHintSender();
+  ~RendererNavigationHintSender();
+
+  // Send a hint that a navigation to |url| is likely to happen.
+  void sendNavigationHint(const GURL& url, blink::WebNavigationHintType type);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RendererNavigationHintSender);
+};
+
+}  // namespace network_hints
+
+#endif  // COMPONENTS_NETWORK_HINTS_RENDERER_NAVIGATION_HINT_SENDER_H_