Adds MediaStreamSource, MediaStreamAudioSource and MediaStreamVideoCaptureDeviceSource

content/renderer/media/media_stream_video_capturer_source.h

Index: content/renderer/media/media_stream_video_capturer_source.h
diff --git a/content/renderer/media/media_stream_video_capturer_source.h b/content/renderer/media/media_stream_video_capturer_source.h
new file mode 100644
index 0000000000000000000000000000000000000000..4a1660cc74453b053e50dff892c7ae1c14fd3756
--- /dev/null
+++ b/content/renderer/media/media_stream_video_capturer_source.h
@@ -0,0 +1,39 @@
+// 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.
+
+#ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_CAPTURER_SOURCE_H_
+#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_CAPTURER_SOURCE_H_
+
+#include "base/compiler_specific.h"
+#include "content/common/content_export.h"
+#include "content/renderer/media/media_stream_video_source.h"
+
+namespace content {
+
+// MediaStreamVideoCapturerSource is an implementation of
+// MediaStreamVideoSource used for local video capture such as USB cameras
+// and tab capture.
+// TODO(perkj): Currently, this use RTCVideoCapturer and a libjingle
+// implementation of webrt::MediaStreamSourceInterface. Implement this class
+// without using cricket::VideoCapturer and webrtc::VideoSourceInterface as
+// part of project Piranha Plant.
+class CONTENT_EXPORT MediaStreamVideoCapturerSource
+    : public MediaStreamVideoSource {
+ public:
+  MediaStreamVideoCapturerSource(
+      const StreamDeviceInfo& device_info,
+      const SourceStoppedCallback& stop_callback,
+      MediaStreamDependencyFactory* factory);
+  virtual ~MediaStreamVideoCapturerSource();
+
+ protected:
+  virtual void Init(const blink::WebMediaConstraints& constraints) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MediaStreamVideoCapturerSource);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_CAPTURER_SOURCE_H_