Remove deprecated QTKit Video Capture Support

media/capture/BUILD.gn

 # Copyright 2016 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.
 
 import("//build/config/features.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
 source_set("capture") {
   sources = [
@@ skipping 36 matching lines @@
     "video/linux/video_capture_device_linux.h",
     "video/mac/platform_video_capturing_mac.h",
     "video/mac/video_capture_device_avfoundation_mac.h",
     "video/mac/video_capture_device_avfoundation_mac.mm",
     "video/mac/video_capture_device_decklink_mac.h",
     "video/mac/video_capture_device_decklink_mac.mm",
     "video/mac/video_capture_device_factory_mac.h",
     "video/mac/video_capture_device_factory_mac.mm",
     "video/mac/video_capture_device_mac.h",
     "video/mac/video_capture_device_mac.mm",
-    "video/mac/video_capture_device_qtkit_mac.h",
-    "video/mac/video_capture_device_qtkit_mac.mm",
     "video/video_capture_device.cc",
     "video/video_capture_device.h",
     "video/video_capture_device_factory.cc",
     "video/video_capture_device_factory.h",
     "video/video_capture_device_info.cc",
     "video/video_capture_device_info.h",
     "video/win/capability_list_win.cc",
     "video/win/capability_list_win.h",
     "video/win/filter_base_win.cc",
     "video/win/filter_base_win.h",
@@ skipping 29 matching lines @@
   if (is_android) {
     public_deps += [ "video/android" ]
     deps += [ "video/android:capture_jni_headers" ]
   }
 
   if (is_mac) {
     deps += [
       "//media/base/mac",
       "//third_party/decklink",
     ]
-    libs = [ "QTKit.framework" ]
   }
 
   if (use_udev) {
     deps += [ "//device/udev_linux" ]
     sources += [
       "device_monitor_udev.cc",
       "device_monitor_udev.h",
     ]
   }
 
@@ skipping 31 matching lines @@
 
   deps = [
     "//media/base:unittests",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   # TODO(mcasas): Fix size_t to int truncation warning-treated-as-errors.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 }