Removed deprecated WebVR functionality

chrome/browser/android/vr_shell/non_presenting_gvr_delegate.cc

 // 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 "chrome/browser/android/vr_shell/non_presenting_gvr_delegate.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "chrome/browser/android/vr_shell/vr_shell.h"
@@ skipping 139 matching lines @@
                  device::mojom::VRVSyncProvider::Status::SUCCESS);
     return;
   }
 
   gvr::Mat4f head_mat = gvr_api_->ApplyNeckModel(
       gvr_api_->GetHeadSpaceFromStartSpaceRotation(target_time), 1.0f);
   callback.Run(VrShell::VRPosePtrFromGvrPose(head_mat), time, -1,
                device::mojom::VRVSyncProvider::Status::SUCCESS);
 }
 
-void NonPresentingGvrDelegate::ResetPose() {
-  // Should never call RecenterTracking when using with Daydream viewers. On
-  // those devices recentering should only be done via the controller.
-  if (gvr_api_ && gvr_api_->GetViewerType() == GVR_VIEWER_TYPE_CARDBOARD)
-    gvr_api_->RecenterTracking();
-}
-
 void NonPresentingGvrDelegate::CreateVRDisplayInfo(
     const base::Callback<void(device::mojom::VRDisplayInfoPtr)>& callback,
     uint32_t device_id) {
   if (!gvr_api_) {
     callback.Run(device::mojom::VRDisplayInfoPtr(nullptr));
     return;
   }
 
   gvr::Sizei webvr_size = VrShell::GetRecommendedWebVrSize(gvr_api_.get());
   DVLOG(1) << __FUNCTION__ << ": resize recommended to " << webvr_size.width
            << "x" << webvr_size.height;
   callback.Run(
       VrShell::CreateVRDisplayInfo(gvr_api_.get(), webvr_size, device_id));
 }
 
 }  // namespace vr_shell