Remove Virtual Terminal Manager.

ui/ozone/platform/dri/virtual_terminal_manager.cc

Index: ui/ozone/platform/dri/virtual_terminal_manager.cc
diff --git a/ui/ozone/platform/dri/virtual_terminal_manager.cc b/ui/ozone/platform/dri/virtual_terminal_manager.cc
deleted file mode 100644
index efd8350457755ff4c304c11e9bf803948c93b312..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/virtual_terminal_manager.cc
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2014 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.
-
-#include "ui/ozone/platform/dri/virtual_terminal_manager.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <linux/kd.h>
-#include <linux/vt.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-
-#include "base/logging.h"
-
-namespace ui {
-
-namespace {
-
-const char kTTYDevice[] = "/dev/tty1";
-
-const int kVT = 1;
-
-}  // namespace
-
-VirtualTerminalManager::VirtualTerminalManager() {
-  // Use the current console.
-  fd_ = open(kTTYDevice, O_RDWR | O_CLOEXEC, 0);
-  if (fd_ < 0)
-    LOG(ERROR) << "Failed to open '" << kTTYDevice << "' " << strerror(errno);
-
-  if (ioctl(fd_, VT_ACTIVATE, kVT) || ioctl(fd_, VT_WAITACTIVE, kVT))
-    LOG(ERROR) << "Failed to switch to VT: " << kVT
-               << " error: " << strerror(errno);;
-
-  if (ioctl(fd_, KDGETMODE, &vt_mode_))
-    LOG(ERROR) << "Failed to get VT mode: " << strerror(errno);
-
-  if (ioctl(fd_, KDSETMODE, KD_GRAPHICS))
-    LOG(ERROR) << "Failed to set graphics mode: " << strerror(errno);
-
-  if (tcgetattr(fd_, &terminal_attributes_))
-    LOG(ERROR) << "Failed to get terminal attributes";
-
-  // Stop the TTY from processing keys and echo-ing them to the terminal.
-  struct termios raw_attributes = terminal_attributes_;
-  cfmakeraw(&raw_attributes);
-  raw_attributes.c_oflag |= OPOST;
-  if (tcsetattr(fd_, TCSANOW, &raw_attributes))
-    LOG(ERROR) << "Failed to set raw attributes";
-
-  if (ioctl(fd_, KDGKBMODE, &previous_keyboard_mode_))
-    LOG(ERROR) << "Failed to get keyboard mode";
-
-  if (ioctl(fd_, KDSKBMODE, K_OFF) && ioctl(fd_, KDSKBMODE, K_RAW))
-    LOG(ERROR) << "Failed to set keyboard mode";
-}
-
-VirtualTerminalManager::~VirtualTerminalManager() {
-  if (fd_ < 0)
-    return;
-
-  if (ioctl(fd_, KDSETMODE, &vt_mode_))
-    LOG(ERROR) << "Failed to restore VT mode";
-
-  if (ioctl(fd_, KDSKBMODE, previous_keyboard_mode_))
-    LOG(ERROR) << "Failed to restore keyboard mode";
-
-  if (tcsetattr(fd_, TCSANOW, &terminal_attributes_))
-    LOG(ERROR) << "Failed to restore terminal attributes";
-
-  close(fd_);
-}
-
-}  // namespace ui