Remove deprecated QTKit Video Capture Support

content/browser/renderer_host/media/video_capture_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // VideoCaptureManager is used to open/close, start/stop, enumerate available
 // video capture devices, and manage VideoCaptureController's.
 // All functions are expected to be called from Browser::IO thread. Some helper
 // functions (*OnDeviceThread) will dispatch operations to the device thread.
 // VideoCaptureManager will open OS dependent instances of VideoCaptureDevice.
 // A device can only be opened once.
@@ skipping 234 matching lines @@
 
   // Returns true if the current operation needs to be preempted by a call to
   // InitializeCaptureDeviceApiOnUIThread.
   // Called on the IO thread.
   bool NeedToInitializeCaptureDeviceApi(MediaStreamType stream_type);
 
   // Called on the IO thread to do async initialization of the capture api.
   // Once initialization is done, and_then will be run on the IO thread.
   void InitializeCaptureDeviceApiOnUIThread(const base::Closure& and_then);
 
-  // Due to initialization issues with AVFoundation and QTKit on Mac, we need
+  // Due to initialization issues with AVFoundation on Mac, we need
   // to make sure we initialize the APIs on the UI thread before we can reliably
   // use them.  This variable is only checked and set on the IO thread.
   bool capture_device_api_initialized_ = false;
 #endif
 
   // The message loop of media stream device thread, where VCD's live.
   scoped_refptr<base::SingleThreadTaskRunner> device_task_runner_;
 
   // Only accessed on Browser::IO thread.
   MediaStreamProviderListener* listener_;
@@ skipping 88 matching lines @@
   // Map used by DesktopCapture.
   std::map<media::VideoCaptureSessionId, gfx::NativeViewId>
       notification_window_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_