Add passive and FOV-locked properties to UI elements.

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 102 matching lines @@
 
  private:
   virtual ~VrShell();
   void LoadUIContent();
   bool IsUiTextureReady();
   // Converts a pixel rectangle to (0..1) float texture coordinates.
   // Callers need to ensure that the texture width/height is
   // initialized by checking IsUiTextureReady() first.
   Rectf MakeUiGlCopyRect(Recti pixel_rect);
   void DrawVrShell(const gvr::Mat4f& head_pose);
-  void DrawEye(const gvr::Mat4f& view_matrix,
+  void DrawEye(gvr::Eye eye,
+               const gvr::Mat4f& head_pose,
                const gvr::BufferViewport& params);
-  void DrawUI(const gvr::Mat4f& render_matrix);
+  void DrawUI(const gvr::Mat4f& world_matrix,
+              const gvr::Mat4f& fov_matrix);
   void DrawCursor(const gvr::Mat4f& render_matrix);
   void DrawWebVr();
   void DrawWebVrOverlay(int64_t present_time_nanos);
   void DrawWebVrEye(const gvr::Mat4f& view_matrix,
                     const gvr::BufferViewport& params,
                     int64_t present_time_nanos);
 
   void UpdateController(const gvr::Vec3f& forward_vector);
 
   void HandleQueuedTasks();
@@ skipping 53 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_