Remove deprecated QTKit Video Capture Support

media/capture/video/video_capture_device.cc

Index: media/capture/video/video_capture_device.cc
diff --git a/media/capture/video/video_capture_device.cc b/media/capture/video/video_capture_device.cc
index f3fc56553c08f5a15f097104220e4d690e2858c0..61a752f7ca8c5c8618ff478988d7c958d656780f 100644
--- a/media/capture/video/video_capture_device.cc
+++ b/media/capture/video/video_capture_device.cc
@@ -57,9 +57,7 @@ VideoCaptureDevice::Name::Name(const std::string& name,
     : device_name_(name),
       unique_id_(id),
       capture_api_class_(api_type),
-      transport_type_(OTHER_TRANSPORT),
-      is_blacklisted_(false) {
-}
+      transport_type_(OTHER_TRANSPORT) {}
 
 VideoCaptureDevice::Name::Name(const std::string& name,
                                const std::string& id,
@@ -68,9 +66,7 @@ VideoCaptureDevice::Name::Name(const std::string& name,
     : device_name_(name),
       unique_id_(id),
       capture_api_class_(api_type),
-      transport_type_(transport_type),
-      is_blacklisted_(false) {
-}
+      transport_type_(transport_type) {}
 #elif defined(ANDROID)
 VideoCaptureDevice::Name::Name(const std::string& name,
                                const std::string& id,
@@ -109,8 +105,6 @@ const char* VideoCaptureDevice::Name::GetCaptureApiTypeString() const {
   switch (capture_api_type()) {
     case AVFOUNDATION:
       return "AV Foundation";
-    case QTKIT:
-      return "QTKit";
     case DECKLINK:
       return "DeckLink";
     default: