PaymentApp: Implement InvokePaymentApp() in browser side.

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 156 matching lines @@
   //    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.
   //
   // Must be called from the IO thread.
   void FindReadyRegistrationForId(int64_t registration_id,
                                   const GURL& origin,
                                   const FindRegistrationCallback& callback);
 
+  // Returns the registration for |registration_id|. It is guaranteed that the
+  // returned registration has the activated worker.
+  //
+  // Generally |FindReadyRegistrationForId| should be used to look up a
+  // registration by |registration_id| since it's more efficient. But if a
+  // |registration_id| is all that is available this method can be used instead.
+  //
+  //  - 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.
+  //
+  // Must be called from the IO thread.
+  void FindReadyRegistrationForIdOnly(int64_t registration_id,
+                                      const FindRegistrationCallback& callback);
+
   // All these methods must be called from the IO thread.
   void GetAllRegistrations(const GetRegistrationsInfosCallback& callback);
   void GetRegistrationUserData(int64_t registration_id,
                                const std::vector<std::string>& keys,
                                const GetUserDataCallback& callback);
   void StoreRegistrationUserData(
       int64_t registration_id,
       const GURL& origin,
       const std::vector<std::pair<std::string, std::string>>& key_value_pairs,
       const StatusCallback& callback);
@@ skipping 113 matching lines @@
 
   // Must be touched on the UI thread.
   std::map<int, int> navigation_hint_task_count_per_process_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_