[Mojo Video Capture] Implement a VideoCaptureProvider using the Mojo service (part 1)

content/browser/renderer_host/media/service_video_capture_device_launcher.cc

Index: content/browser/renderer_host/media/service_video_capture_device_launcher.cc
diff --git a/content/browser/renderer_host/media/service_video_capture_device_launcher.cc b/content/browser/renderer_host/media/service_video_capture_device_launcher.cc
new file mode 100644
index 0000000000000000000000000000000000000000..94d4e0617c3ab107963fd72f075933bd7f451e66
--- /dev/null
+++ b/content/browser/renderer_host/media/service_video_capture_device_launcher.cc
@@ -0,0 +1,29 @@
+// Copyright 2017 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/browser/renderer_host/media/service_video_capture_device_launcher.h"
+
+namespace content {
+
+ServiceVideoCaptureDeviceLauncher::ServiceVideoCaptureDeviceLauncher(
+    video_capture::mojom::DeviceFactoryPtr* device_factory)
+    : device_factory_(device_factory) {}
+
+ServiceVideoCaptureDeviceLauncher::~ServiceVideoCaptureDeviceLauncher() {}
+
+void ServiceVideoCaptureDeviceLauncher::LaunchDeviceAsync(
+    const std::string& device_id,
+    MediaStreamType stream_type,
+    const media::VideoCaptureParams& params,
+    base::WeakPtr<media::VideoFrameReceiver> receiver,
+    Callbacks* callbacks,
+    base::OnceClosure done_cb) {
+  NOTIMPLEMENTED();
+}
+
+void ServiceVideoCaptureDeviceLauncher::AbortLaunch() {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace content