PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/common/navigation_params.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_NAVIGATION_PARAMS_H_
 #define CONTENT_COMMON_NAVIGATION_PARAMS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 250 matching lines @@
   // size of the session history list.
   int current_history_list_offset;
   int current_history_list_length;
 
   // Whether session history should be cleared. In that case, the RenderView
   // needs to notify the browser that the clearing was succesful when the
   // navigation commits.
   bool should_clear_history_list;
 
   // 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 equal to kInvalidServiceWorkerProviderId.
+  // Whether a ServiceWorkerProviderHost should be created for the window.
+  bool should_create_service_worker;
+
+  // PlzNavigate
+  // The ServiceWorkerProviderHost ID used for navigations, if it was already
+  // created by the browser. Set to kInvalidServiceWorkerProviderId otherwise.
+  // This parameter is not used in the current navigation architecture, where
+  // it will always be equal to kInvalidServiceWorkerProviderId.
   int service_worker_provider_id;
 };
 
 // Helper struct keeping track in one place of all the parameters the browser
 // needs to provide to the renderer.
 struct NavigationParams {
   NavigationParams(const CommonNavigationParams& common_params,
                    const StartNavigationParams& start_params,
                    const RequestNavigationParams& request_params);
   ~NavigationParams();
 
   CommonNavigationParams common_params;
   StartNavigationParams start_params;
   RequestNavigationParams request_params;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_NAVIGATION_PARAMS_H_