MediaController/Call instantiation.

talk/app/webrtc/mediacontroller.h

Index: talk/app/webrtc/mediacontroller.h
diff --git a/talk/app/webrtc/mediacontroller.h b/talk/app/webrtc/mediacontroller.h
index 1191206e18dbf9a7f035c9b95761641db2bcf7f3..d31ce4dc0ae338896285d500d45e0dad4b64526b 100644
--- a/talk/app/webrtc/mediacontroller.h
+++ b/talk/app/webrtc/mediacontroller.h
@@ -25,5 +25,25 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// Place holder file to be able to update Chrome's libjingle.gyp before the real
-// implementation goes in.
+#ifndef TALK_APP_WEBRTC_MEDIACONTROLLER_H_
+#define TALK_APP_WEBRTC_MEDIACONTROLLER_H_
+
+#include "webrtc/base/thread.h"
+
+namespace webrtc {
+class Call;
+class VoiceEngine;
+
+// MediaController currently owns shared state between media channels, but in
+// the future will create and own RtpSenders and RtpReceivers.
+class MediaController {
+ public:
+  static MediaController* Create(rtc::Thread* worker_thread,
+                                 webrtc::VoiceEngine* voice_engine);
+
+  virtual ~MediaController() {}
+  virtual webrtc::Call* call_w() = 0;
+};
+}  // namespace webrtc
+
+#endif  // TALK_APP_WEBRTC_MEDIACONTROLLER_H_