Revert of Android WebVR implementation, Cardboard 0.5.5 SDK

content/browser/vr/vr_transform_util_unittest.cc

-// 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.
-
-#include <math.h>
-
-#include "content/browser/vr/vr_transform_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-const float kPi = 3.14159265f;
-
-void EXPECT_QUATERNION(
-    float x, float y, float z, float w,
-    const VRVector4Ptr& quat) {
-  EXPECT_NEAR(x, quat->x, 0.0001f);
-  EXPECT_NEAR(y, quat->y, 0.0001f);
-  EXPECT_NEAR(z, quat->z, 0.0001f);
-  EXPECT_NEAR(w, quat->w, 0.0001f);
-}
-
-TEST(VRTransformUtilTest, IdentityMatrixToQuaternion) {
-  float matrix[9] = {
-    1.0f, 0.0f, 0.0f,
-    0.0f, 1.0f, 0.0f,
-    0.0f, 0.0f, 1.0f
-  };
-
-  VRVector4Ptr orientation = MatrixToOrientationQuaternion(
-      &matrix[0], &matrix[3], &matrix[6]);
-
-  EXPECT_QUATERNION(0.0f, 0.0f, 0.0f, 1.0f, orientation);
-}
-
-TEST(VRTransformUtilTest, 90DegXMatrixToQuaternion) {
-  float rad = kPi * 0.5f;
-  float matrix[9] = {
-    1.0f, 0.0f, 0.0f,
-    0.0f, cosf(rad), -sinf(rad),
-    0.0f, sinf(rad), cosf(rad)
-  };
-
-  VRVector4Ptr orientation = MatrixToOrientationQuaternion(
-      &matrix[0], &matrix[3], &matrix[6]);
-
-  EXPECT_QUATERNION(0.7071f, 0.0f, 0.0f, 0.7071f, orientation);
-}
-
-TEST(VRTransformUtilTest, 180DegYMatrixToQuaternion) {
-  float matrix[9] = {
-    cosf(kPi), 0.0f, sinf(kPi),
-    0.0f, 1.0f, 0.0f,
-    -sinf(kPi), 0.0f, cosf(kPi)
-  };
-
-  VRVector4Ptr orientation = MatrixToOrientationQuaternion(
-      &matrix[0], &matrix[3], &matrix[6]);
-
-  EXPECT_QUATERNION(0.0f, 1.0f, 0.0f, 0.0f, orientation);
-}
-
-}  // namespace content