Check media permissions (mic/camera) before exposing local addresses to WebRTC.

content/renderer/p2p/network_manager_uma.h

+// 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.
+
+#ifndef CONTENT_RENDERER_P2P_NETWORK_MANAGER_UMA_H_
+#define CONTENT_RENDERER_P2P_NETWORK_MANAGER_UMA_H_
+
+namespace base {
+class TimeDelta;
+}  // namespace
+
+namespace content {
+
+// Need to be kept the same order as in histograms.xml
+enum IPPermissionStatus {
+  PERMISSION_NOT_REQUESTED,  // Multiple routes is not requested.
+  PERMISSION_DENIED,         // Requested but denied.
+  PERMISSION_GRANTED,        // Requested and granted.
+  PERMISSION_UNKNOWN,  // Requested but have never fired SignalNetworksChanged.
+  PERMISSION_MAX,
+};
+
+void ReportIPPermissionStatus(IPPermissionStatus status);
+void ReportTimeToUpdateNetworkList(const base::TimeDelta& ticks);
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_P2P_NETWORK_MANAGER_UMA_H_