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

media/video/capture/linux/video_capture_device_linux.cc

Index: media/video/capture/linux/video_capture_device_linux.cc
diff --git a/media/video/capture/linux/video_capture_device_linux.cc b/media/video/capture/linux/video_capture_device_linux.cc
index 26db1cdc5ae1da5536f8156b48cf4781f30d0c0b..11151ac7285eee895c1330d1d9cb51ab13a54ec0 100644
--- a/media/video/capture/linux/video_capture_device_linux.cc
+++ b/media/video/capture/linux/video_capture_device_linux.cc
@@ -107,30 +107,6 @@ void VideoCaptureDeviceLinux::GetListOfUsableFourCCs(bool favour_mjpeg,
   fourccs->push_back(V4L2_PIX_FMT_JPEG);
 }
 
-// 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 {
   // |unique_id| is of the form "/dev/video2".  |file_name| is "video2".
   const std::string dev_dir = "/dev/";