Speculatively launch Service Workers on mouse/touch events. [1/5]

components/network_hints/renderer/renderer_preconnect.h

Index: components/network_hints/renderer/renderer_preconnect.h
diff --git a/components/network_hints/renderer/renderer_preconnect.h b/components/network_hints/renderer/renderer_preconnect.h
index 39dac9312ba6fe4e4371ccb84a5456fd1b350430..710bf4ed6c080c8d19fd92cb5c332a49b4c628f2 100644
--- a/components/network_hints/renderer/renderer_preconnect.h
+++ b/components/network_hints/renderer/renderer_preconnect.h
@@ -20,6 +20,10 @@
 #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
@@ -32,6 +36,10 @@ class RendererPreconnect {
   // Submit a preconnect request for a single connection.
   void Preconnect(const GURL& url, bool allow_credentials);
 
+  // Submit a navigation hint of mouse/touch events to speculatively launche
+  // Service Workers.
+  void NavigationHint(const GURL& url, blink::WebNavigationHintType type);
+
  private:
 
   DISALLOW_COPY_AND_ASSIGN(RendererPreconnect);