Gather the ServiceWorker client information in the browser process.

content/common/service_worker/service_worker_client_info.cc

Index: content/common/service_worker/service_worker_client_info.cc
diff --git a/content/common/service_worker/service_worker_client_info.cc b/content/common/service_worker/service_worker_client_info.cc
new file mode 100644
index 0000000000000000000000000000000000000000..66ed6fb0cbb7a53e2efe783ea89c7a064606e92f
--- /dev/null
+++ b/content/common/service_worker/service_worker_client_info.cc
@@ -0,0 +1,81 @@
+// Copyright 2015 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/common/service_worker/service_worker_client_info.h"
+
+#include "base/logging.h"
+
+namespace content {
+
+ServiceWorkerClientInfo::ServiceWorkerClientInfo()
+  : empty_(true),
+    has_client_id_(false) {
+}
+
+ServiceWorkerClientInfo::ServiceWorkerClientInfo(
+    blink::WebPageVisibilityState page_visibility_state,
+    bool is_focused,
+    const GURL& url,
+    RequestContextFrameType frame_type)
+  : empty_(false),
+    has_client_id_(false),
+    page_visibility_state_(page_visibility_state),
+    is_focused_(is_focused),
+    url_(url),
+    frame_type_(frame_type) {
+}
+
+int ServiceWorkerClientInfo::client_id() const {
+  return client_id_;
+}
+
+blink::WebPageVisibilityState
+ServiceWorkerClientInfo::page_visibility_state() const {
+  return page_visibility_state_;
+}
+
+bool ServiceWorkerClientInfo::is_focused() const {
+  return is_focused_;
+}
+
+const GURL& ServiceWorkerClientInfo::url() const {
+  return url_;
+}
+
+RequestContextFrameType ServiceWorkerClientInfo::frame_type() const {
+  return frame_type_;
+}
+
+void ServiceWorkerClientInfo::SetClientID(int client_id) {
+  DCHECK(!has_client_id_);
+  DCHECK(!IsEmpty());
+
+  client_id_ = client_id;
+  has_client_id_ = true;
+}
+
+bool ServiceWorkerClientInfo::IsEmpty() const {
+  return empty_;
+}
+
+bool ServiceWorkerClientInfo::IsValid() const {
+  return !empty_ && has_client_id_;
+}
+
+ServiceWorkerClientInfo::operator blink::WebServiceWorkerClientInfo() const {
+  DCHECK(IsValid());
+
+  blink::WebServiceWorkerClientInfo web_client_info;
+
+  web_client_info.clientID = client_id_;
+  web_client_info.pageVisibilityState = page_visibility_state_;
+  web_client_info.isFocused = is_focused_;
+  web_client_info.url = url_;
+  web_client_info.frameType =
+      static_cast<blink::WebURLRequest::FrameType>(frame_type_);
+
+  return web_client_info;
+}
+
+}  // namespace content