Move data use measurement to DataUseNetworkDelegate

components/data_use_measurement/content/chrome_url_request_classifier.cc

Index: components/data_use_measurement/content/chrome_url_request_classifier.cc
diff --git a/components/data_use_measurement/content/chrome_url_request_classifier.cc b/components/data_use_measurement/content/chrome_url_request_classifier.cc
new file mode 100644
index 0000000000000000000000000000000000000000..88841fbb457eee6200399d7810bb55d1665c286b
--- /dev/null
+++ b/components/data_use_measurement/content/chrome_url_request_classifier.cc
@@ -0,0 +1,29 @@
+// 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/content/chrome_url_request_classifier.h"
+
+#include "content/public/browser/resource_request_info.h"
+#include "net/url_request/url_request.h"
+
+namespace data_use_measurement {
+
+bool IsUserInitiatedRequest(const net::URLRequest& request) {

[RyanSturm, 2016/11/10 22:50:30]

User Initiated usually means the user clicked a link and it caused a request or
a user hit enter to start the navigation request. I'd rename this method
"IsUserRequest".

[Raj, 2016/11/10 23:20:26]

Done.

+  // Having ResourceRequestInfo in the URL request is a sign that the request is

[RyanSturm, 2016/11/10 22:50:30]

This can probably be shortened to:

"The presence of ResourecRequestInfo in |request| implies that this request was
created for a content::WebContents."

[Raj, 2016/11/10 23:20:26]

Done.

+  // for a web content from user. For now we could add a condition to check
+  // ProcessType in info is content::PROCESS_TYPE_RENDERER, but it won't be
+  // compatible with upcoming PlzNavigate architecture. So just existence of
+  // ResourceRequestInfo is verified, and the current check should be compatible
+  // with upcoming changes in PlzNavigate.
+  // TODO(rajendrant): Verify this condition for different use cases. See
+  // crbug.com/626063.
+  return content::ResourceRequestInfo::ForRequest(&request) != nullptr;
+}
+
+bool ChromeURLRequestClassifier::IsUserInitiatedRequest(
+    const net::URLRequest& request) const {
+  return IsUserInitiatedRequest(request);
+}
+
+}  // namespace data_use_measurement