[Payments] Implement web payment app manifest

content/browser/service_worker/service_worker_context_wrapper.h

 // Copyright 2013 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_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 114 matching lines @@
   // These methods must only be called from the IO thread.
   ServiceWorkerRegistration* GetLiveRegistration(int64_t registration_id);
   ServiceWorkerVersion* GetLiveVersion(int64_t version_id);
   std::vector<ServiceWorkerRegistrationInfo> GetAllLiveRegistrationInfo();
   std::vector<ServiceWorkerVersionInfo> GetAllLiveVersionInfo();
 
   // Must be called from the IO thread.
   void HasMainFrameProviderHost(const GURL& origin,
                                 const BoolCallback& callback) const;
 
+  // Gets provider hosts render process and frame Ids for the given |origin|.

[falken, 2017/07/05 01:55:05]

// Returns all render process ids and frame ids for the given |origin|.

Please document this return value like this:
<int /* render process id */, int /* frame id */>

FYI this will also return a lot of frame_id == MSG_ROUTING_NONE, for
ServiceWorkerProviderHosts that are not hosting documents.

[gogerald1, 2017/07/05 02:26:04]

Done.

+  std::unique_ptr<std::vector<std::pair<int, int>>> GetProviderHostIds(
+      const GURL& origin) const;
+
   // Returns the registration whose scope longest matches |document_url|. It is
   // guaranteed that the returned registration has the activated worker.
   //
   //  - If the registration is not found, returns ERROR_NOT_FOUND.
   //  - If the registration has neither the waiting version nor the active
   //    version, returns ERROR_NOT_FOUND.
   //  - If the registration does not have the active version but has the waiting
   //    version, activates the waiting version and runs |callback| when it is
   //    activated.
   //
@@ skipping 186 matching lines @@
 
   // The ResourceContext associated with this context.
   ResourceContext* resource_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_