Use the HTML UI to render WebVR warnings

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 96 matching lines @@
   // Called from non-render thread to queue a callback onto the render thread.
   // The render thread checks for callbacks and processes them between frames.
   void QueueTask(base::Callback<void()>& callback);
 
   // Perform a UI action triggered by the javascript API.
   void DoUiAction(const UiAction action);
 
  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(gvr::Eye eye,
-               const gvr::Mat4f& head_pose,
-               const gvr::BufferViewport& params);
-  void DrawUI(const gvr::Mat4f& world_matrix,
-              const gvr::Mat4f& fov_matrix);
+  void DrawVrShell(const gvr::Mat4f& head_pose, gvr::Frame &frame);
+  void DrawUiView(const gvr::Mat4f* head_pose,
+                  const std::vector<const ContentRectangle*>& elements);
+  void DrawElements(const gvr::Mat4f& render_matrix,
+                    const std::vector<const ContentRectangle*>& elements);
   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();
 
   // samplerExternalOES texture data for UI content image.
   jint ui_texture_id_ = 0;
   // samplerExternalOES texture data for main content image.
   jint content_texture_id_ = 0;
 
@@ skipping 28 matching lines @@
   gvr::Quatf controller_quat_;
 
   gvr::Vec3f target_point_;
   const ContentRectangle* target_element_ = nullptr;
   VrInputManager* current_input_target_ = nullptr;
   int ui_tex_width_ = 0;
   int ui_tex_height_ = 0;
   bool dom_contents_loaded_ = false;
 
   bool webvr_mode_ = false;
-  bool webvr_secure_origin_ = false;
-  int64_t webvr_warning_end_nanos_ = 0;
+
   // The pose ring buffer size must be a power of two to avoid glitches when
   // the pose index wraps around. It should be large enough to handle the
   // current backlog of poses which is 2-3 frames.
   static constexpr int kPoseRingBufferSize = 8;
   std::vector<gvr::Mat4f> webvr_head_pose_;
 
   std::unique_ptr<VrController> controller_;
   scoped_refptr<VrInputManager> content_input_manager_;
   scoped_refptr<VrInputManager> ui_input_manager_;
 
   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_