Propagate network delegate events to ChromeDataUseAscriber.

components/data_use_measurement/core/data_use_network_delegate.cc

Index: components/data_use_measurement/core/data_use_network_delegate.cc
diff --git a/components/data_use_measurement/core/data_use_network_delegate.cc b/components/data_use_measurement/core/data_use_network_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e7cb035ab08b61daec1763aecb1c38866393bb96
--- /dev/null
+++ b/components/data_use_measurement/core/data_use_network_delegate.cc
@@ -0,0 +1,54 @@
+// 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 "components/data_use_measurement/core/data_use_network_delegate.h"
+
+#include <memory>
+#include <utility>
+
+#include "components/data_use_measurement/core/data_use_ascriber.h"
+#include "net/url_request/url_request.h"
+
+namespace data_use_measurement {
+DataUseNetworkDelegate::DataUseNetworkDelegate(
+    std::unique_ptr<NetworkDelegate> nested_network_delegate,
+    DataUseAscriber* ascriber)
+    : net::LayeredNetworkDelegate(std::move(nested_network_delegate)),
+      ascriber_(ascriber) {
+  DCHECK(ascriber);
+}
+
+DataUseNetworkDelegate::~DataUseNetworkDelegate() {}
+
+void DataUseNetworkDelegate::OnBeforeURLRequestInternal(
+    net::URLRequest* request,
+    const net::CompletionCallback& callback,
+    GURL* new_url) {
+  ascriber_->OnBeforeUrlRequest(request);
+}
+
+void DataUseNetworkDelegate::OnBeforeRedirectInternal(
+    net::URLRequest* request,
+    const GURL& new_location) {
+  ascriber_->OnBeforeRedirect(request, new_location);
+}
+
+void DataUseNetworkDelegate::OnNetworkBytesReceivedInternal(
+    net::URLRequest* request,
+    int64_t bytes_received) {
+  ascriber_->OnNetworkBytesReceived(request, bytes_received);
+}
+
+void DataUseNetworkDelegate::OnNetworkBytesSentInternal(
+    net::URLRequest* request,
+    int64_t bytes_sent) {
+  ascriber_->OnNetworkBytesSent(request, bytes_sent);
+}
+
+void DataUseNetworkDelegate::OnCompletedInternal(net::URLRequest* request,
+                                                 bool started) {
+  ascriber_->OnUrlRequestCompleted(request, started);
+}
+
+}  // namespace data_use_measurement