[OfflinePages] Restarts immediate processing if stopped due to no net

components/offline_pages/background/connection_notifier.cc

Index: components/offline_pages/background/connection_notifier.cc
diff --git a/components/offline_pages/background/connection_notifier.cc b/components/offline_pages/background/connection_notifier.cc
new file mode 100644
index 0000000000000000000000000000000000000000..82b90a88073397312996d94429bff2b08a355dbf
--- /dev/null
+++ b/components/offline_pages/background/connection_notifier.cc
@@ -0,0 +1,25 @@
+// 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/offline_pages/background/connection_notifier.h"
+
+namespace offline_pages {
+
+ConnectionNotifier::ConnectionNotifier(
+    const ConnectionNotifier::ConnectedCallback& callback)
+    : callback_(callback) {
+  net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
+}
+
+ConnectionNotifier::~ConnectionNotifier() {
+  net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
+}
+
+void ConnectionNotifier::OnConnectionTypeChanged(
+    net::NetworkChangeNotifier::ConnectionType type) {
+  if (type != net::NetworkChangeNotifier::ConnectionType::CONNECTION_NONE)
+    callback_.Run();
+}
+
+}  // namespace offline_pages