[Mojo Video Capture] Create abstraction VideoCaptureProvider

content/browser/renderer_host/media/video_capture_provider.h

Index: content/browser/renderer_host/media/video_capture_provider.h
diff --git a/content/browser/renderer_host/media/buildable_video_capture_device.h b/content/browser/renderer_host/media/video_capture_provider.h
similarity index 83%
rename from content/browser/renderer_host/media/buildable_video_capture_device.h
rename to content/browser/renderer_host/media/video_capture_provider.h
index e358435d24d771178c82297cef114192374ab885..8515a5343950f7e4e7919abdac57afd85d5488dc 100644
--- a/content/browser/renderer_host/media/buildable_video_capture_device.h
+++ b/content/browser/renderer_host/media/video_capture_provider.h
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "content/public/common/media_stream_request.h"
 #include "media/capture/video/video_capture_device.h"
+#include "media/capture/video/video_capture_device_info.h"
 #include "media/capture/video_capture_types.h"
 
 namespace content {
@@ -65,6 +66,22 @@ class CONTENT_EXPORT BuildableVideoCaptureDevice {
                                               base::OnceClosure done_cb) = 0;
 };
 
+class CONTENT_EXPORT VideoCaptureProvider {
+ public:
+  virtual ~VideoCaptureProvider() {}
+
+  // The passed-in |result_callback| must guarantee that the called
+  // instance stays alive until |result_callback| is invoked.
+  virtual void GetDeviceInfosAsync(
+      const base::Callback<
+          void(const std::vector<media::VideoCaptureDeviceInfo>&)>&
+          result_callback) = 0;
+
+  virtual std::unique_ptr<BuildableVideoCaptureDevice> CreateBuildableDevice(
+      const std::string& device_id,
+      MediaStreamType stream_type) = 0;
+};
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_