Update webrtc::DesktopCapturer clients to implement OnCaptureResult().

remoting/host/desktop_session_proxy.h

Index: remoting/host/desktop_session_proxy.h
diff --git a/remoting/host/desktop_session_proxy.h b/remoting/host/desktop_session_proxy.h
index 133df7c800e9c76fdb812c0f0826f5c5555b18ba..55591463dbbdf45bb21ce136b32a89115883f8b5 100644
--- a/remoting/host/desktop_session_proxy.h
+++ b/remoting/host/desktop_session_proxy.h
@@ -160,8 +160,9 @@ class DesktopSessionProxy
   // Drops a cached reference to the shared buffer.
   void OnReleaseSharedBuffer(int id);
 
-  // Handles CaptureCompleted notification from the desktop session agent.
-  void OnCaptureCompleted(const SerializedDesktopFrame& serialized_frame);
+  // Handles CaptureResult notification from the desktop session agent.
+  void OnCaptureResult(webrtc::DesktopCapturer::Result result,
+                       const SerializedDesktopFrame& serialized_frame);
 
   // Handles MouseCursor notification from the desktop session agent.
   void OnMouseCursor(const webrtc::MouseCursor& mouse_cursor);