chrome://media-internals: update MediaInternals when devices capabilities are enumerated.

media/video/capture/video_capture_device_info.cc

+// Copyright 2014 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 "media/video/capture/video_capture_device_info.h"
+
+namespace media {
+
+VideoCaptureDeviceInfo::VideoCaptureDeviceInfo() {}
+
+VideoCaptureDeviceInfo::VideoCaptureDeviceInfo(
+    const VideoCaptureDevice::Name& name,
+    const VideoCaptureFormats& supported_formats)
+    : name(name),
+      supported_formats(supported_formats) {}
+
+VideoCaptureDeviceInfo::~VideoCaptureDeviceInfo() {}
+
+}  // namespace media