Define EncodedVideoSource and RtcCapturedEncodingVideoCapturer.

content/renderer/media/video_capture_impl_manager.h

Index: content/renderer/media/video_capture_impl_manager.h
diff --git a/content/renderer/media/video_capture_impl_manager.h b/content/renderer/media/video_capture_impl_manager.h
index e9422015b026bda6d3d41abc4398fed0aee1a34a..e553cfebd4f144560f10f2a75e4bd7654b6d88c2 100644
--- a/content/renderer/media/video_capture_impl_manager.h
+++ b/content/renderer/media/video_capture_impl_manager.h
@@ -18,9 +18,11 @@
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "media/video/capture/video_capture.h"
+#include "media/video/encoded_video_source.h"
 
 namespace content {
 
+class RtcEncodingVideoCapturerFactory;
 class VideoCaptureImpl;
 class VideoCaptureMessageFilter;
 
@@ -50,6 +52,10 @@ class CONTENT_EXPORT VideoCaptureImplManager
     return filter_.get();
   }
 
+  RtcEncodingVideoCapturerFactory* encoding_capturer_factory() const {
+    return encoding_capturer_factory_.get();
+  }
+
  protected:
   virtual ~VideoCaptureImplManager();
 
@@ -74,6 +80,8 @@ class CONTENT_EXPORT VideoCaptureImplManager
   base::Thread thread_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
+  scoped_refptr<RtcEncodingVideoCapturerFactory> encoding_capturer_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureImplManager);
 };