Hook up EncodedVideoSource on the browser side

content/browser/renderer_host/media/video_capture_manager.h

Index: content/browser/renderer_host/media/video_capture_manager.h
diff --git a/content/browser/renderer_host/media/video_capture_manager.h b/content/browser/renderer_host/media/video_capture_manager.h
index f57c10f96d506d6a8c84701ba0e1c45614c46347..b0288c0a2bac2236d270cfe6a8893292ecf38eb4 100644
--- a/content/browser/renderer_host/media/video_capture_manager.h
+++ b/content/browser/renderer_host/media/video_capture_manager.h
@@ -21,6 +21,11 @@
 #include "media/video/capture/video_capture_device.h"
 #include "media/video/capture/video_capture_types.h"
 
+namespace media {
+struct RuntimeVideoEncodingParameters;
+struct VideoEncodingParameters;
+}  // namespace media
+
 namespace content {
 class MockVideoCaptureManager;
 class VideoCaptureController;
@@ -59,7 +64,13 @@ class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider {
   // will be delivered to the frame receiver, and |stopped_cb| will be called.
   // |stopped_cb| can be NULL.
   virtual void Stop(const media::VideoCaptureSessionId& capture_session_id,
-            base::Closure stopped_cb);
+                    const base::Closure& stopped_cb);
+
+  // Called by VideoCaptureHost to request a parameter change in the encoded
+  // output bitstream of a capture device, if supported.
+  virtual void TryConfigureEncodedBitstream(
+      const media::VideoCaptureSessionId& session_id,
+      const media::RuntimeVideoEncodingParameters& params);
 
   // Used by unit test to make sure a fake device is used instead of a real
   // video capture device. Due to timing requirements, the function must be
@@ -71,12 +82,19 @@ class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider {
   void AddController(
       const media::VideoCaptureParams& capture_params,
       VideoCaptureControllerEventHandler* handler,
-      base::Callback<void(VideoCaptureController*)> added_cb);
+      const base::Callback<void(VideoCaptureController*)>& added_cb);
   // Called by VideoCaptureHost to remove the |controller|.
   void RemoveController(
       VideoCaptureController* controller,
       VideoCaptureControllerEventHandler* handler);
 
+  // Called by VideoCaptureHost to request the encoding capabilities of a
+  // capture device.
+  void RequestEncodingCapabilities(
+      const media::VideoCaptureSessionId& session_id,
+      const base::Callback<void(
+          const media::VideoEncodingCapabilities&)>& caps_cb);
+
  private:
   friend class MockVideoCaptureManager;
 
@@ -92,14 +110,21 @@ class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider {
   void OnStart(const media::VideoCaptureParams capture_params,
                media::VideoCaptureDevice::EventHandler* video_capture_receiver);
   void OnStop(const media::VideoCaptureSessionId capture_session_id,
-              base::Closure stopped_cb);
+              const base::Closure& stopped_cb);
+  void OnTryConfigureEncodedBitstream(
+      const media::VideoCaptureSessionId& session_id,
+      const media::RuntimeVideoEncodingParameters& params);
   void DoAddControllerOnDeviceThread(
       const media::VideoCaptureParams capture_params,
       VideoCaptureControllerEventHandler* handler,
-      base::Callback<void(VideoCaptureController*)> added_cb);
+      const base::Callback<void(VideoCaptureController*)>& added_cb);
   void DoRemoveControllerOnDeviceThread(
       VideoCaptureController* controller,
       VideoCaptureControllerEventHandler* handler);
+  void DoRequestEncodingCapabilitiesOnDeviceThread(
+      const media::VideoCaptureSessionId& session_id,
+      const base::Callback<void(
+          const media::VideoEncodingCapabilities&)>& caps_cb);
 
   // Executed on Browser::IO thread to call Listener.
   void OnOpened(MediaStreamType type, int capture_session_id);