Headless: make URLRequestDispatcher aware of navigations

headless/public/util/url_request_dispatcher.h

Index: headless/public/util/url_request_dispatcher.h
diff --git a/headless/public/util/url_request_dispatcher.h b/headless/public/util/url_request_dispatcher.h
index 1f34509a3a53ecbedd252eebe313680dd4871f4b..3029dd5c2b8021ca0749d538ba65dc40ea1f835f 100644
--- a/headless/public/util/url_request_dispatcher.h
+++ b/headless/public/util/url_request_dispatcher.h
@@ -10,6 +10,7 @@
 
 namespace headless {
 class ManagedDispatchURLRequestJob;
+class NavigationRequest;
 
 // Interface to abstract and potentially reorder (for determinism) calls to
 // ManagedDispatchUrlRequestJob::OnHeadersComplete and
@@ -36,6 +37,10 @@ class URLRequestDispatcher {
   // Tells us the job has finished. Can be called from any thread.
   virtual void JobDeleted(ManagedDispatchURLRequestJob* job) = 0;
 
+  // Tells us a navigation has been requested. Can be called from any thread.
+  virtual void NavigationRequested(
+      std::unique_ptr<NavigationRequest> navigation_request) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(URLRequestDispatcher);
 };