Control the VrShell content quad via the HTML UI.

chrome/browser/android/vr_shell/vr_shell.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_
 
 #include <jni.h>
 
 #include <memory>
@@ skipping 123 matching lines @@
 
   void UpdateController(const gvr::Vec3f& forward_vector);
 
   void HandleQueuedTasks();
 
   // samplerExternalOES texture data for UI content image.
   jint ui_texture_id_ = 0;
   // samplerExternalOES texture data for main content image.
   jint content_texture_id_ = 0;
 
-  float desktop_screen_tilt_;
-  float desktop_height_;
-
   std::unique_ptr<UiScene> scene_;
   std::unique_ptr<UiInterface> html_interface_;
 
   std::unique_ptr<gvr::GvrApi> gvr_api_;
   std::unique_ptr<gvr::BufferViewportList> buffer_viewport_list_;
   std::unique_ptr<gvr::BufferViewport> buffer_viewport_;
   std::unique_ptr<gvr::SwapChain> swap_chain_;
 
   gvr::Sizei render_size_;
 
@@ skipping 34 matching lines @@
   base::WeakPtrFactory<VrShell> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VrShell);
 };
 
 bool RegisterVrShell(JNIEnv* env);
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_SHELL_H_