Reporting: Wrap existing classes in context.

net/reporting/reporting_context.cc

+// Copyright 2017 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 "net/reporting/reporting_context.h"
+
+#include <memory>
+
+#include "base/memory/ptr_util.h"
+#include "base/time/clock.h"
+#include "base/time/default_clock.h"
+#include "base/time/default_tick_clock.h"
+#include "base/time/tick_clock.h"
+#include "base/time/time.h"
+#include "net/base/backoff_entry.h"
+#include "net/reporting/reporting_cache.h"
+#include "net/reporting/reporting_delegate.h"
+#include "net/reporting/reporting_delivery_agent.h"
+#include "net/reporting/reporting_endpoint_manager.h"
+#include "net/reporting/reporting_policy.h"
+
+namespace net {
+
+class URLRequestContext;
+
+namespace {
+
+class ReportingContextImpl : public ReportingContext {
+ public:
+  ReportingContextImpl(const ReportingPolicy& policy,
+                       std::unique_ptr<ReportingDelegate> delegate,
+                       URLRequestContext* request_context)
+      : ReportingContext(policy) {
+    Init(std::move(delegate), base::MakeUnique<base::DefaultClock>(),
+         base::MakeUnique<base::DefaultTickClock>(),
+         ReportingUploader::Create(request_context));
+  }
+};
+
+}  // namespace
+
+// static
+std::unique_ptr<ReportingContext> ReportingContext::Create(
+    const ReportingPolicy& policy,
+    std::unique_ptr<ReportingDelegate> delegate,
+    URLRequestContext* request_context) {
+  return base::MakeUnique<ReportingContextImpl>(policy, std::move(delegate),
+                                                request_context);
+}
+
+ReportingContext::~ReportingContext() {}
+
+ReportingContext::ReportingContext(const ReportingPolicy& policy)
+    : policy_(policy),
+      cache_(base::MakeUnique<ReportingCache>(this)),
+      endpoint_manager_(base::MakeUnique<ReportingEndpointManager>(this)),
+      delivery_agent_(base::MakeUnique<ReportingDeliveryAgent>(this)) {}
+
+void ReportingContext::Init(std::unique_ptr<ReportingDelegate> delegate,
+                            std::unique_ptr<base::Clock> clock,
+                            std::unique_ptr<base::TickClock> tick_clock,
+                            std::unique_ptr<ReportingUploader> uploader) {
+  delegate_ = std::move(delegate);
+  clock_ = std::move(clock);
+  tick_clock_ = std::move(tick_clock);
+  uploader_ = std::move(uploader);
+}
+
+}  // namespace net