VideoCaptureDevice: remove emtpy static methods that are now implemented in the VCDFactory.

media/video/capture/mac/video_capture_device_mac.mm

Index: media/video/capture/mac/video_capture_device_mac.mm
diff --git a/media/video/capture/mac/video_capture_device_mac.mm b/media/video/capture/mac/video_capture_device_mac.mm
index 3ad0d45c2819e9e6ea153a97f55acd3a815f2391..60278b761571c920e529bf4551e005a5d584794d 100644
--- a/media/video/capture/mac/video_capture_device_mac.mm
+++ b/media/video/capture/mac/video_capture_device_mac.mm
@@ -306,30 +306,6 @@ static void SetAntiFlickerInUsbDevice(const int vendor_id,
   }
 }
 
-// TODO(mcasas): Remove the following static methods when they are no longer
-// referenced from VideoCaptureDeviceFactory, i.e. when all OS platforms have
-// splitted the VideoCaptureDevice into VideoCaptureDevice and
-// VideoCaptureDeviceFactory.
-
-// static
-VideoCaptureDevice* VideoCaptureDevice::Create(
-    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
-    const Name& device_name) {
-  NOTREACHED();
-  return NULL;
-}
-// static
-void VideoCaptureDevice::GetDeviceNames(Names* device_names) {
-  NOTREACHED();
-}
-
-// static
-void VideoCaptureDevice::GetDeviceSupportedFormats(
-    const Name& device,
-    VideoCaptureFormats* supported_formats) {
-  NOTREACHED();
-}
-
 const std::string VideoCaptureDevice::Name::GetModel() const {
   // Both PID and VID are 4 characters.
   if (unique_id_.size() < 2 * kVidPidSize) {