Use VP8 over PseudoTCP by default.

remoting/host/capturer_linux.cc

Index: remoting/host/capturer_linux.cc
diff --git a/remoting/host/capturer_linux.cc b/remoting/host/capturer_linux.cc
index 404d52702a31f8638bbc79464ac22e7a792975bd..70c956d32e41484c332685d6ccaa4c9e75809b9f 100644
--- a/remoting/host/capturer_linux.cc
+++ b/remoting/host/capturer_linux.cc
@@ -339,4 +339,9 @@ void CapturerLinuxPimpl::SlowBlit(XImage* image, int dest_x, int dest_y,
   }
 }
 
+// static
+Capturer* Capturer::Create(MessageLoop* message_loop) {
+  return new CapturerLinux(message_loop);
+}
+
 }  // namespace remoting