PaymentApp: Factor out functions to serialize/deserialize manifest data.

content/browser/payments/payment_app_context.cc

-// Copyright 2016 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.
-
-#include "content/browser/payments/payment_app_context.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/memory/ptr_util.h"
-#include "base/stl_util.h"
-#include "content/browser/payments/payment_app_manager.h"
-#include "content/browser/service_worker/service_worker_context_wrapper.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace content {
-
-PaymentAppContext::PaymentAppContext(
-    scoped_refptr<ServiceWorkerContextWrapper> service_worker_context)
-    : service_worker_context_(std::move(service_worker_context)) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-}
-
-PaymentAppContext::~PaymentAppContext() {
-  DCHECK(services_.empty());
-}
-
-void PaymentAppContext::Shutdown() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
-                          base::Bind(&PaymentAppContext::ShutdownOnIO, this));
-}
-
-void PaymentAppContext::CreateService(
-    mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&PaymentAppContext::CreateServiceOnIOThread, this,
-                 base::Passed(&request)));
-}
-
-void PaymentAppContext::ServiceHadConnectionError(PaymentAppManager* service) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  DCHECK(base::ContainsKey(services_, service));
-
-  services_.erase(service);
-}
-
-ServiceWorkerContextWrapper* PaymentAppContext::service_worker_context() const {
-  return service_worker_context_.get();
-}
-
-void PaymentAppContext::CreateServiceOnIOThread(
-    mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request) {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  PaymentAppManager* service = new PaymentAppManager(this, std::move(request));
-  services_[service] = base::WrapUnique(service);
-}
-
-void PaymentAppContext::ShutdownOnIO() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-
-  services_.clear();
-}
-
-}  // namespace content