Revert 244074 "Eliminate video capture thread in renderer"

trunk/src/content/renderer/media/rtc_video_capturer.h

Index: trunk/src/content/renderer/media/rtc_video_capturer.h
===================================================================
--- trunk/src/content/renderer/media/rtc_video_capturer.h	(revision 244357)
+++ trunk/src/content/renderer/media/rtc_video_capturer.h	(working copy)
@@ -12,6 +12,7 @@
 #include "third_party/libjingle/source/talk/media/base/videocapturer.h"
 
 namespace content {
+class VideoCaptureImplManager;
 
 // RtcVideoCapturer implements a simple cricket::VideoCapturer that is used for
 // VideoCapturing in libJingle and especially in PeerConnections.
@@ -23,6 +24,7 @@
     : public cricket::VideoCapturer {
  public:
   RtcVideoCapturer(const media::VideoCaptureSessionId id,
+                   VideoCaptureImplManager* vc_manager,
                    bool is_screencast);
   virtual ~RtcVideoCapturer();