Video Capture Mojo (1.4b): Implement ability to use fake device instance

services/video_capture/mock_video_capture_device_client.cc

Index: services/video_capture/mock_video_capture_device_client.cc
diff --git a/services/video_capture/mock_video_capture_device_client.cc b/services/video_capture/mock_video_capture_device_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d840f1470c0c77ac1ed8392ea18434cb8cd07fb2
--- /dev/null
+++ b/services/video_capture/mock_video_capture_device_client.cc
@@ -0,0 +1,20 @@
+// 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 "services/video_capture/mock_video_capture_device_client.h"
+
+namespace video_capture {
+
+MockVideoCaptureDeviceClient::MockVideoCaptureDeviceClient(
+    mojom::VideoCaptureDeviceClientRequest request)
+    : binding_(this, std::move(request)) {}
+
+MockVideoCaptureDeviceClient::~MockVideoCaptureDeviceClient() = default;
+
+void MockVideoCaptureDeviceClient::OnFrameAvailable(
+    media::mojom::VideoFramePtr frame) {
+  OnFrameAvailablePtr(&frame);
+}
+
+}  // namespace video_capture