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

third_party/WebKit/public/platform/WebPrescientNetworking.h

Index: third_party/WebKit/public/platform/WebPrescientNetworking.h
diff --git a/third_party/WebKit/public/platform/WebPrescientNetworking.h b/third_party/WebKit/public/platform/WebPrescientNetworking.h
index 0b2872e3f9b5caa008c46f25a75f5c663c8a7f4b..65d2b0eae03f81dd747661ca7921770fe1791f0b 100644
--- a/third_party/WebKit/public/platform/WebPrescientNetworking.h
+++ b/third_party/WebKit/public/platform/WebPrescientNetworking.h
@@ -37,6 +37,8 @@
 
 namespace blink {
 
+enum class WebNavigationHintType;
+
 class WebPrescientNetworking {
 public:
     virtual ~WebPrescientNetworking() { }
@@ -46,6 +48,9 @@ public:
     virtual void prefetchDNS(const WebString& hostname) { }
 
     virtual void preconnect(const WebURL& url, const bool allowCredentials) { }
+
+    // Send a hint that a navigation to |url| is likely to happen.
+    virtual void sendNavigationHint(const WebURL& url, WebNavigationHintType) {}
 };
 
 } // namespace blink