mac: Remove more media/base/mac glue unneeded now that we target 10.9

media/cast/sender/h264_vt_encoder.h

Index: media/cast/sender/h264_vt_encoder.h
diff --git a/media/cast/sender/h264_vt_encoder.h b/media/cast/sender/h264_vt_encoder.h
index 2e4c3f0024a769b868de23e2a95fca6e2bb37b29..5a4178d3ea36d351fd8a94047c27c923a2d58e72 100644
--- a/media/cast/sender/h264_vt_encoder.h
+++ b/media/cast/sender/h264_vt_encoder.h
@@ -11,7 +11,6 @@
 #include "base/macros.h"
 #include "base/power_monitor/power_observer.h"
 #include "base/threading/thread_checker.h"
-#include "media/base/mac/videotoolbox_glue.h"
 #include "media/base/mac/videotoolbox_helpers.h"
 #include "media/cast/sender/size_adaptable_video_encoder_base.h"
 #include "media/cast/sender/video_encoder.h"
@@ -26,10 +25,6 @@ namespace cast {
 // compression session when the host process is suspended.
 class H264VideoToolboxEncoder : public VideoEncoder,
                                 public base::PowerObserver {
-  typedef CoreMediaGlue::CMSampleBufferRef CMSampleBufferRef;
-  typedef VideoToolboxGlue::VTCompressionSessionRef VTCompressionSessionRef;
-  typedef VideoToolboxGlue::VTEncodeInfoFlags VTEncodeInfoFlags;
-
  public:
   // Returns true if the current platform and system configuration supports
   // using H264VideoToolboxEncoder with the given |video_config|.
@@ -86,9 +81,6 @@ class H264VideoToolboxEncoder : public VideoEncoder,
   // The cast environment (contains worker threads & more).
   const scoped_refptr<CastEnvironment> cast_environment_;
 
-  // VideoToolboxGlue provides access to VideoToolbox at runtime.
-  const VideoToolboxGlue* const videotoolbox_glue_;
-
   // VideoSenderConfig copy so we can create compression sessions on demand.
   // This is needed to recover from backgrounding and other events that can
   // invalidate compression sessions.