PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/browser/frame_host/navigation_handle_impl.h

Index: content/browser/frame_host/navigation_handle_impl.h
diff --git a/content/browser/frame_host/navigation_handle_impl.h b/content/browser/frame_host/navigation_handle_impl.h
index 0fdb07d979809f193078c8b1901755d17646ab60..d1c1b1b0adc3fc3297109efc5a09d68f6c8ecf07 100644
--- a/content/browser/frame_host/navigation_handle_impl.h
+++ b/content/browser/frame_host/navigation_handle_impl.h
@@ -102,6 +102,11 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
     is_transferring_ = is_transferring;
   }
 
+  // PlzNavigate
+  void set_service_worker_provider_id(int service_worker_provider_id) {
+    service_worker_provider_id_ = service_worker_provider_id;
+  }
+
   // Called when the URLRequest will start in the network stack.
   NavigationThrottle::ThrottleCheckResult WillStartRequest(
       bool is_post,
@@ -168,6 +173,13 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
   // A list of Throttles registered for this navigation.
   ScopedVector<NavigationThrottle> throttles_;
 
+  // PlzNavigate
+  // The ServiceWorkerProviderHost ID used for navigations.
+  // Set to kInvalidServiceWorkerProviderId for sandboxed frames and sync loads.
+  // This parameter is not used in the current navigation architecture, where it
+  // will always be kInvalidServiceWorkerProviderId.
+  int service_worker_provider_id_;
+
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };