Adding error signalling from device to VideocaptureManager to relay up to MediaStream and WebKit.

content/common/media/media_stream_options.cc

Index: content/common/media/media_stream_options.cc
===================================================================
--- content/common/media/media_stream_options.cc	(revision 0)
+++ content/common/media/media_stream_options.cc	(revision 0)
@@ -0,0 +1,24 @@
+// Copyright (c) 2011 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/media/media_stream_options.h"
+
+namespace media_stream {
+
+StreamDeviceInfo::StreamDeviceInfo()
+    : stream_type(kNoService),
+      in_use(false),
+      session_id(kNoId) {}
+
+StreamDeviceInfo::StreamDeviceInfo(MediaStreamType service_param,
+                                   const std::string& name_param,
+                                   const std::string& device_param,
+                                   bool opened)
+    : stream_type(service_param),
+      name(name_param),
+      device_id(device_param),
+      in_use(opened),
+      session_id(kNoId) {}
+
+}  // namespace media_stream