NOT FOR REVIEW - convert to cc animation

chrome/browser/android/vr_shell/vr_shell_gl.cc

Index: chrome/browser/android/vr_shell/vr_shell_gl.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell_gl.cc b/chrome/browser/android/vr_shell/vr_shell_gl.cc
index aa9613251d39a6d36704f37d039ecf75d0de052f..9fdde5e9ade1219a52db7652caa5464cffa097fc 100644
--- a/chrome/browser/android/vr_shell/vr_shell_gl.cc
+++ b/chrome/browser/android/vr_shell/vr_shell_gl.cc
@@ -1299,7 +1299,8 @@ void VrShellGl::DrawElements(const gfx::Transform& view_proj_matrix,
 
 void VrShellGl::DrawElement(const gfx::Transform& view_proj_matrix,
                             const UiElement& element) {
-  gfx::Transform transform = view_proj_matrix * element.transform();
+  gfx::Transform transform =
+      view_proj_matrix * element.screen_space_transform();
 
   switch (element.fill()) {
     case Fill::OPAQUE_GRADIENT: {
@@ -1347,8 +1348,8 @@ std::vector<const UiElement*> VrShellGl::GetElementsInDrawOrder(
               if (first->draw_phase() != second->draw_phase()) {
                 return first->draw_phase() < second->draw_phase();
               } else {
-                return first->transform().matrix().get(2, 3) <
-                       second->transform().matrix().get(2, 3);
+                return first->screen_space_transform().matrix().get(2, 3) <
+                       second->screen_space_transform().matrix().get(2, 3);
               }
             });