Adds MediaStreamSource, MediaStreamAudioSource and MediaStreamVideoCaptureDeviceSource

content/renderer/media/media_stream_video_capture_device_source.h

Index: content/renderer/media/media_stream_video_capture_device_source.h
diff --git a/content/renderer/media/media_stream_video_capture_device_source.h b/content/renderer/media/media_stream_video_capture_device_source.h
new file mode 100644
index 0000000000000000000000000000000000000000..0716bc0ccc2b8da3d5512bd298019b2141d037bc
--- /dev/null
+++ b/content/renderer/media/media_stream_video_capture_device_source.h
@@ -0,0 +1,37 @@
+// Copyright 2013 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_CAPTURE_DEVICE_SOURCE_H_
+#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_CAPTURE_DEVICE_SOURCE_H_
+
+#include "base/compiler_specific.h"
+#include "content/common/content_export.h"
+#include "content/renderer/media/media_stream_video_source.h"
+
+namespace content {
+
+// MediaStreamVideoCaptureDeviceSource is an implementation of
+// MediaStreamVideoSource.
+class CONTENT_EXPORT MediaStreamVideoCaptureDeviceSource
+    : public MediaStreamVideoSource {
+ public:
+  MediaStreamVideoCaptureDeviceSource(const StreamDeviceInfo& device_info,
+                                      const SourceStopCallback& stop_callback);
+  virtual ~MediaStreamVideoCaptureDeviceSource();
+
+  void Init(const blink::WebMediaConstraints& constraints,
+            MediaStreamDependencyFactory* factory);
+
+  virtual void ApplyConstraints(const blink::WebMediaStreamTrack& track,
+                                const blink::WebMediaConstraints& constraints,
+                                const ConstraintsCallback& callback) OVERRIDE;
+
+ private:
+  blink::WebMediaConstraints current_constraints_;
+  DISALLOW_COPY_AND_ASSIGN(MediaStreamVideoCaptureDeviceSource);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_CAPTURE_DEVICE_SOURCE_H_