Limit requests for which link headers can install service workers to secure contexts.

content/browser/service_worker/service_worker_request_handler.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 63 matching lines @@
       FetchCredentialsMode credentials_mode,
       FetchRedirectMode redirect_mode,
       ResourceType resource_type,
       RequestContextType request_context_type,
       RequestContextFrameType frame_type,
       scoped_refptr<ResourceRequestBodyImpl> body);
 
   // Returns the handler attached to |request|. This may return NULL
   // if no handler is attached.
   static ServiceWorkerRequestHandler* GetHandler(
-      net::URLRequest* request);
+      const net::URLRequest* request);
 
   // Creates a protocol interceptor for ServiceWorker.
   static std::unique_ptr<net::URLRequestInterceptor> CreateInterceptor(
       ResourceContext* resource_context);
 
   // Returns true if the request falls into the scope of a ServiceWorker.
   // It's only reliable after the ServiceWorkerRequestHandler MaybeCreateJob
   // method runs to completion for this request. The AppCache handler uses
   // this to avoid colliding with ServiceWorkers.
-  static bool IsControlledByServiceWorker(net::URLRequest* request);
+  static bool IsControlledByServiceWorker(const net::URLRequest* request);
+
+  // Returns the ServiceWorkerProviderHost the request is associated with.
+  // Only valid after InitializeHandler has been called. Can return null.
+  static ServiceWorkerProviderHost* GetProviderHost(
+      const net::URLRequest* request);
 
   ~ServiceWorkerRequestHandler() override;
 
   // Called via custom URLRequestJobFactory.
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate,
       ResourceContext* context) = 0;
 
   // Methods to support cross site navigations.
@@ skipping 23 matching lines @@
   std::unique_ptr<ServiceWorkerProviderHost> host_for_cross_site_transfer_;
   int old_process_id_;
   int old_provider_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REQUEST_HANDLER_H_