PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 088978e92d742ded11d98ce8c3b8c83d4ca73c2c..d3841c1d744b797aea5d14ae10542cfd3e423562 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -51,6 +51,16 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   using GetRegistrationForReadyCallback =
       base::Callback<void(ServiceWorkerRegistration* reigstration)>;
 
+  // PlzNavigate
+  // This value is used for the render_process_id for browser-initiated
+  // navigations.
+  static int kVirtualProcessIDForBrowserRequest;
+
+  // PlzNavigate
+  // Generates a new globally unique service_worker_provider_id for
+  // browser-initiated navigations.
+  static int GetNextBrowserProviderID();
+
   // When this provider host is for a Service Worker context, |route_id| is
   // MSG_ROUTING_NONE. When this provider host is for a Document,
   // |route_id| is the frame ID of the Document. When this provider host is for
@@ -201,6 +211,11 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
     return dispatcher_host_;
   }
 
+  // PlzNavigate
+  // Completes initialization of provider hosts initialized in the browser
+  // process.
+  void CompleteBrowserInitialized(int process_id, int route_id);
+
   // Sends event messages to the renderer. Events for the worker are queued up
   // until the worker thread id is known via SetReadyToSendMessagesToWorker().
   void SendUpdateFoundMessage(