VR: Add a native UI element scene manager

chrome/browser/android/vr_shell/vr_shell.cc

Index: chrome/browser/android/vr_shell/vr_shell.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell.cc b/chrome/browser/android/vr_shell/vr_shell.cc
index eaedca5ef4a909f7be5540c92b6da198a8457e21..76a71422222f2a3d6186e4e9625806e65d39d562 100644
--- a/chrome/browser/android/vr_shell/vr_shell.cc
+++ b/chrome/browser/android/vr_shell/vr_shell.cc
@@ -21,6 +21,7 @@
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/android/vr_shell/android_ui_gesture_target.h"
 #include "chrome/browser/android/vr_shell/ui_interface.h"
+#include "chrome/browser/android/vr_shell/ui_scene_manager.h"
 #include "chrome/browser/android/vr_shell/vr_compositor.h"
 #include "chrome/browser/android/vr_shell/vr_controller_model.h"
 #include "chrome/browser/android/vr_shell/vr_gl_thread.h"
@@ -303,6 +304,8 @@ void VrShell::SetWebVrMode(JNIEnv* env,
 
   html_interface_->SetMode(enabled ? UiInterface::Mode::WEB_VR
                                    : UiInterface::Mode::STANDARD);
+  PostToGlThreadWhenReady(base::Bind(&UiSceneManager::SetWebVRMode,
+                                     gl_thread_->GetSceneManager(), enabled));
 }
 
 void VrShell::OnLoadProgressChanged(JNIEnv* env,
@@ -352,6 +355,9 @@ void VrShell::OnTabRemoved(JNIEnv* env,
 void VrShell::SetWebVRSecureOrigin(bool secure_origin) {
   // TODO(cjgrant): Align this state with the logic that drives the omnibox.
   html_interface_->SetWebVRSecureOrigin(secure_origin);
+  PostToGlThreadWhenReady(base::Bind(&UiSceneManager::SetWebVRSecureOrigin,
+                                     gl_thread_->GetSceneManager(),
+                                     secure_origin));
 }
 
 void VrShell::SubmitWebVRFrame(int16_t frame_index,
@@ -468,8 +474,8 @@ UiInterface* VrShell::GetUiInterface() {
 }
 
 void VrShell::UpdateScene(const base::ListValue* args) {
-  PostToGlThreadWhenReady(base::Bind(&VrShellGl::UpdateScene,
-                                     gl_thread_->GetVrShellGl(),
+  PostToGlThreadWhenReady(base::Bind(&UiSceneManager::UpdateScene,
+                                     gl_thread_->GetSceneManager(),
                                      base::Passed(args->CreateDeepCopy())));
 }