BASELINE: Update Chromium to 73.0.3683.37

Change-Id: I08c9af2948b645f671e5d933aca1f7a90ea372f2
Reviewed-by: Michael Brüning <michael.bruning@qt.io>

1 files changed, 47 insertions, 0 deletions

diff --git a/chromium/third_party/blink/renderer/modules/xr/xr_stationary_reference_space.h b/chromium/third_party/blink/renderer/modules/xr/xr_stationary_reference_space.h
new file mode 100644
index 00000000000..d1065509bf6
--- /dev/null
+++ b/chromium/third_party/blink/renderer/modules/xr/xr_stationary_reference_space.h
@@ -0,0 +1,47 @@
+// Copyright 2018 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.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_STATIONARY_REFERENCE_SPACE_H_
+#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_STATIONARY_REFERENCE_SPACE_H_
+
+#include "third_party/blink/renderer/modules/xr/xr_reference_space.h"
+#include "third_party/blink/renderer/platform/transforms/transformation_matrix.h"
+
+namespace blink {
+
+class XRStationaryReferenceSpace final : public XRReferenceSpace {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  enum Subtype {
+    kSubtypeEyeLevel,
+    kSubtypeFloorLevel,
+    kSubtypePositionDisabled
+  };
+
+  XRStationaryReferenceSpace(XRSession*, Subtype);
+  ~XRStationaryReferenceSpace() override;
+
+  std::unique_ptr<TransformationMatrix> TransformBasePose(
+      const TransformationMatrix& base_pose) override;
+  std::unique_ptr<TransformationMatrix> TransformBaseInputPose(
+      const TransformationMatrix& base_input_pose,
+      const TransformationMatrix& base_pose) override;
+
+  const String& subtype() const { return subtype_string_; }
+
+  void Trace(blink::Visitor*) override;
+
+ private:
+  void UpdateFloorLevelTransform();
+
+  unsigned int display_info_id_ = 0;
+  Subtype subtype_;
+  String subtype_string_;
+  std::unique_ptr<TransformationMatrix> floor_level_transform_;
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_STATIONARY_REFERENCE_SPACE_H_