Revert 266017 "Send commands from webcamPrivate API to the webca..."

trunk/src/chrome/browser/extensions/api/webcam_private/webcam_private_api_chromeos.cc

Index: trunk/src/chrome/browser/extensions/api/webcam_private/webcam_private_api_chromeos.cc
===================================================================
--- trunk/src/chrome/browser/extensions/api/webcam_private/webcam_private_api_chromeos.cc	(revision 266050)
+++ trunk/src/chrome/browser/extensions/api/webcam_private/webcam_private_api_chromeos.cc	(working copy)
@@ -1,164 +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 "chrome/browser/extensions/api/webcam_private/webcam_private_api.h"
-
-#include <fcntl.h>
-#include <linux/videodev2.h>
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-
-#include "base/files/scoped_file.h"
-#include "base/posix/eintr_wrapper.h"
-#include "chrome/common/extensions/api/webcam_private.h"
-
-namespace content {
-class BrowserContext;
-}  // namespace content
-
-namespace {
-
-base::ScopedFD OpenWebcam(const std::string& extension_id,
-                          content::BrowserContext* browser_context,
-                          const std::string& webcam_id) {
-  // TODO(zork): Get device_id from content::MediaStreamManager.
-  std::string device_id = "/dev/video0";
-
-  return base::ScopedFD(HANDLE_EINTR(open(device_id.c_str(), 0)));
-}
-
-void SetWebcamParameter(int fd, int control_id, int value) {
-  struct v4l2_control v4l2_ctrl = {control_id, value};
-  HANDLE_EINTR(ioctl(fd, VIDIOC_S_CTRL, &v4l2_ctrl));
-}
-
-bool GetWebcamParameter(int fd, int control_id, int* value) {
-  struct v4l2_control v4l2_ctrl = {control_id};
-
-  if (HANDLE_EINTR(ioctl(fd, VIDIOC_G_CTRL, &v4l2_ctrl)))
-    return false;
-
-  *value = v4l2_ctrl.value;
-  return true;
-}
-
-const char kUnknownWebcam[] = "Unknown webcam id";
-}  // namespace
-
-namespace extensions {
-
-WebcamPrivateSetFunction::WebcamPrivateSetFunction() {
-}
-
-WebcamPrivateSetFunction::~WebcamPrivateSetFunction() {
-}
-
-bool WebcamPrivateSetFunction::RunImpl() {
-  // Get parameters
-  scoped_ptr<api::webcam_private::Set::Params> params(
-      api::webcam_private::Set::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  base::ScopedFD fd =
-      OpenWebcam(extension_id(), browser_context(), params->webcam_id);
-  if (!fd.is_valid()) {
-    SetError(kUnknownWebcam);
-    return false;
-  }
-
-  if (params->config.pan) {
-    SetWebcamParameter(fd.get(), V4L2_CID_PAN_ABSOLUTE,
-                       *(params->config.pan));
-  }
-
-  if (params->config.tilt) {
-    SetWebcamParameter(fd.get(), V4L2_CID_TILT_ABSOLUTE,
-                       *(params->config.tilt));
-  }
-
-  if (params->config.zoom) {
-    SetWebcamParameter(fd.get(), V4L2_CID_ZOOM_ABSOLUTE,
-                       *(params->config.zoom));
-  }
-
-  return true;
-}
-
-WebcamPrivateGetFunction::WebcamPrivateGetFunction() {
-}
-
-WebcamPrivateGetFunction::~WebcamPrivateGetFunction() {
-}
-
-bool WebcamPrivateGetFunction::RunImpl() {
-  // Get parameters
-  scoped_ptr<api::webcam_private::Get::Params> params(
-      api::webcam_private::Get::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  base::ScopedFD fd =
-      OpenWebcam(extension_id(), browser_context(), params->webcam_id);
-  if (!fd.is_valid()) {
-    SetError(kUnknownWebcam);
-    return false;
-  }
-
-  api::webcam_private::WebcamConfiguration result;
-
-  int pan;
-  if (GetWebcamParameter(fd.get(), V4L2_CID_PAN_ABSOLUTE, &pan))
-    result.pan.reset(new double(pan));
-
-  int tilt;
-  if (GetWebcamParameter(fd.get(), V4L2_CID_TILT_ABSOLUTE, &tilt))
-    result.tilt.reset(new double(tilt));
-
-  int zoom;
-  if (GetWebcamParameter(fd.get(), V4L2_CID_ZOOM_ABSOLUTE, &zoom))
-    result.zoom.reset(new double(zoom));
-
-  SetResult(result.ToValue().release());
-
-  return true;
-}
-
-WebcamPrivateResetFunction::WebcamPrivateResetFunction() {
-}
-
-WebcamPrivateResetFunction::~WebcamPrivateResetFunction() {
-}
-
-bool WebcamPrivateResetFunction::RunImpl() {
-  // Get parameters
-  scoped_ptr<api::webcam_private::Reset::Params> params(
-      api::webcam_private::Reset::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  base::ScopedFD fd =
-      OpenWebcam(extension_id(), browser_context(), params->webcam_id);
-  if (!fd.is_valid()) {
-    SetError(kUnknownWebcam);
-    return false;
-  }
-
-  if (params->config.pan) {
-    struct v4l2_control v4l2_ctrl = {V4L2_CID_PAN_RESET};
-    HANDLE_EINTR(ioctl(fd.get(), VIDIOC_S_CTRL, &v4l2_ctrl));
-  }
-
-  if (params->config.tilt) {
-    struct v4l2_control v4l2_ctrl = {V4L2_CID_TILT_RESET};
-    HANDLE_EINTR(ioctl(fd.get(), VIDIOC_S_CTRL, &v4l2_ctrl));
-  }
-
-  if (params->config.zoom) {
-    const int kDefaultZoom = 100;
-    SetWebcamParameter(fd.get(), V4L2_CID_ZOOM_ABSOLUTE, kDefaultZoom);
-  }
-
-  return true;
-}
-
-}  // namespace extensions