Revert of Migrate WebVR Cardboard implementation to GVR

device/vr/android/gvr/gvr_device.cc

Index: device/vr/android/gvr/gvr_device.cc
diff --git a/device/vr/android/gvr/gvr_device.cc b/device/vr/android/gvr/gvr_device.cc
deleted file mode 100644
index 2de6b12f0c8de234f8cee89354b35d8e0b0028d3..0000000000000000000000000000000000000000
--- a/device/vr/android/gvr/gvr_device.cc
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2016 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 "device/vr/android/gvr/gvr_device.h"
-
-#include <math.h>
-#include <algorithm>
-
-#include "base/time/time.h"
-#include "base/trace_event/trace_event.h"
-#include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr.h"
-#include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr_types.h"
-#include "ui/gfx/transform.h"
-#include "ui/gfx/transform_util.h"
-
-namespace device {
-
-namespace {
-
-static const uint64_t kPredictionTimeWithoutVsyncNanos = 50000000;
-
-}  // namespace
-
-GvrDevice::GvrDevice(VRDeviceProvider* provider, gvr::GvrApi* gvr_api)
-    : VRDevice(provider), gvr_api_(gvr_api) {}
-
-GvrDevice::~GvrDevice() {}
-
-VRDisplayPtr GvrDevice::GetVRDevice() {
-  TRACE_EVENT0("input", "GvrDevice::GetVRDevice");
-
-  VRDisplayPtr device = VRDisplay::New();
-
-  device->capabilities = VRDisplayCapabilities::New();
-  device->capabilities->hasOrientation = true;
-  device->capabilities->hasPosition = false;
-  device->capabilities->hasExternalDisplay = false;
-  device->capabilities->canPresent = true;
-
-  device->leftEye = VREyeParameters::New();
-  device->rightEye = VREyeParameters::New();
-  VREyeParametersPtr& left_eye = device->leftEye;
-  VREyeParametersPtr& right_eye = device->rightEye;
-
-  device->displayName = gvr_api_->GetViewerModel();
-
-  gvr::BufferViewportList gvr_buffer_viewports =
-      gvr_api_->CreateEmptyBufferViewportList();
-  gvr_buffer_viewports.SetToRecommendedBufferViewports();
-
-  gvr::BufferViewport eye_viewport = gvr_api_->CreateBufferViewport();
-  gvr_buffer_viewports.GetBufferViewport(GVR_LEFT_EYE, &eye_viewport);
-  gvr::Rectf eye_fov = eye_viewport.GetSourceFov();
-  left_eye->fieldOfView = VRFieldOfView::New();
-  left_eye->fieldOfView->upDegrees = eye_fov.top;
-  left_eye->fieldOfView->downDegrees = eye_fov.bottom;
-  left_eye->fieldOfView->leftDegrees = eye_fov.left;
-  left_eye->fieldOfView->rightDegrees = eye_fov.right;
-
-  eye_viewport = gvr_api_->CreateBufferViewport();
-  gvr_buffer_viewports.GetBufferViewport(GVR_RIGHT_EYE, &eye_viewport);
-  eye_fov = eye_viewport.GetSourceFov();
-  right_eye->fieldOfView = VRFieldOfView::New();
-  right_eye->fieldOfView->upDegrees = eye_fov.top;
-  right_eye->fieldOfView->downDegrees = eye_fov.bottom;
-  right_eye->fieldOfView->leftDegrees = eye_fov.left;
-  right_eye->fieldOfView->rightDegrees = eye_fov.right;
-
-  gvr::Mat4f left_eye_mat = gvr_api_->GetEyeFromHeadMatrix(GVR_LEFT_EYE);
-  gvr::Mat4f right_eye_mat = gvr_api_->GetEyeFromHeadMatrix(GVR_RIGHT_EYE);
-
-  left_eye->offset = mojo::Array<float>::New(3);
-  left_eye->offset[0] = -left_eye_mat.m[0][3];
-  left_eye->offset[1] = -left_eye_mat.m[1][3];
-  left_eye->offset[2] = -left_eye_mat.m[2][3];
-
-  right_eye->offset = mojo::Array<float>::New(3);
-  right_eye->offset[0] = -right_eye_mat.m[0][3];
-  right_eye->offset[1] = -right_eye_mat.m[1][3];
-  right_eye->offset[2] = -right_eye_mat.m[2][3];
-
-  gvr::Sizei render_target_size = gvr_api_->GetRecommendedRenderTargetSize();
-
-  left_eye->renderWidth = render_target_size.width / 2;
-  left_eye->renderHeight = render_target_size.height;
-
-  right_eye->renderWidth = render_target_size.width / 2;
-  right_eye->renderHeight = render_target_size.height;
-
-  return device;
-}
-
-VRPosePtr GvrDevice::GetPose() {
-  TRACE_EVENT0("input", "GvrDevice::GetSensorState");
-
-  VRPosePtr pose = VRPose::New();
-
-  pose->timestamp = base::Time::Now().ToJsTime();
-
-  gvr::ClockTimePoint target_time = gvr::GvrApi::GetTimePointNow();
-  target_time.monotonic_system_time_nanos += kPredictionTimeWithoutVsyncNanos;
-
-  gvr::Mat4f head_mat = gvr_api_->GetHeadPoseInStartSpace(target_time);
-
-  gfx::Transform inv_transform(
-      head_mat.m[0][0], head_mat.m[0][1], head_mat.m[0][2], head_mat.m[0][3],
-      head_mat.m[1][0], head_mat.m[1][1], head_mat.m[1][2], head_mat.m[1][3],
-      head_mat.m[2][0], head_mat.m[2][1], head_mat.m[2][2], head_mat.m[2][3],
-      head_mat.m[3][0], head_mat.m[3][1], head_mat.m[3][2], head_mat.m[3][3]);
-
-  gfx::Transform transform;
-  if (inv_transform.GetInverse(&transform)) {
-    gfx::DecomposedTransform decomposed_transform;
-    gfx::DecomposeTransform(&decomposed_transform, transform);
-
-    pose->orientation = mojo::Array<float>::New(4);
-    pose->orientation[0] = decomposed_transform.quaternion[0];
-    pose->orientation[1] = decomposed_transform.quaternion[1];
-    pose->orientation[2] = decomposed_transform.quaternion[2];
-    pose->orientation[3] = decomposed_transform.quaternion[3];
-
-    pose->position = mojo::Array<float>::New(3);
-    pose->position[0] = decomposed_transform.translate[0];
-    pose->position[1] = decomposed_transform.translate[1];
-    pose->position[2] = decomposed_transform.translate[2];
-  }
-
-  return pose;
-}
-
-void GvrDevice::ResetPose() {
-  gvr_api_->ResetTracking();
-}
-
-}  // namespace device