Revert "Adding Chrome-side WebVR interface and Cardboard implementation"

content/common/vr_service.mojom

-// Copyright 2015 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.
-
-module content;
-
-struct VRVector3 {
-  float x;
-  float y;
-  float z;
-};
-
-struct VRVector4 {
-  float x;
-  float y;
-  float z;
-  float w;
-};
-
-struct VRRect {
-  int32 x;
-  int32 y;
-  int32 width;
-  int32 height;
-};
-
-// A field of view, given by 4 degrees describing the view from a center point.
-struct VRFieldOfView {
-  float upDegrees;
-  float downDegrees;
-  float leftDegrees;
-  float rightDegrees;
-};
-
-// A sensor's position, orientation, velocity, and acceleration state at the
-// given timestamp.
-struct VRSensorState {
-  double timestamp;
-  uint32 frameIndex;
-  VRVector4? orientation;
-  VRVector3? position;
-  VRVector3? angularVelocity;
-  VRVector3? linearVelocity;
-  VRVector3? angularAcceleration;
-  VRVector3? linearAcceleration;
-};
-
-// Information about the optical properties for an eye in an HMD.
-struct VREyeParameters {
-  VRFieldOfView minimumFieldOfView;
-  VRFieldOfView maximumFieldOfView;
-  VRFieldOfView recommendedFieldOfView;
-  VRVector3 eyeTranslation;
-  VRRect renderRect;
-};
-
-// Information pertaining to Head Mounted Displays.
-struct VRHMDInfo {
-  VREyeParameters leftEye;
-  VREyeParameters rightEye;
-};
-
-struct VRDeviceInfo {
-   uint32 index;
-   string deviceName;
-   VRHMDInfo? hmdInfo;
-};
-
-interface VRService {
-  GetDevices() => (array<VRDeviceInfo> devices);
-  GetSensorState(uint32 index) => (VRSensorState state);
-  ResetSensor(uint32 index);
-};