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..9b26b2047016f0ed0d2324442c24b70d94a5651f 100644
--- a/content/renderer/media/video_capture_impl_manager.h
+++ b/content/renderer/media/video_capture_impl_manager.h
@@ -13,14 +13,17 @@
 #include <list>
 #include <map>
 
+#include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/threading/thread.h"
 #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 +53,11 @@ class CONTENT_EXPORT VideoCaptureImplManager
     return filter_.get();
   }
 
+  void set_encoding_capturer_factory(base::WeakPtr<
+      RtcEncodingVideoCapturerFactory> encoding_capturer_factory) {
+    encoding_capturer_factory_ = encoding_capturer_factory;
+  }
+
  protected:
   virtual ~VideoCaptureImplManager();
 
@@ -74,6 +82,12 @@ class CONTENT_EXPORT VideoCaptureImplManager
   base::Thread thread_;
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
+  // The encoding capturer factory is created by MediaStreamDependencyFactory
+  // and owned by its PeerConnectionFactory. It is passed to the manager
+  // as a weak pointer at CreatePeerConnectionFactory time because the
+  // PeerConnectionFactory may be released earlier than the manager.
+  base::WeakPtr<RtcEncodingVideoCapturerFactory> encoding_capturer_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureImplManager);
 };