Update SetPaintToLayer to accept LayerType

chrome/browser/ui/views/tabs/tab.cc

Index: chrome/browser/ui/views/tabs/tab.cc
diff --git a/chrome/browser/ui/views/tabs/tab.cc b/chrome/browser/ui/views/tabs/tab.cc
index c209ad6a300d788c59ae178115072fa0212430a4..8d467681f3b2cac7353c53423f9f747c5728f5d5 100644
--- a/chrome/browser/ui/views/tabs/tab.cc
+++ b/chrome/browser/ui/views/tabs/tab.cc
@@ -41,6 +41,7 @@
 #include "ui/base/models/list_selection_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/theme_provider.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/gfx/animation/animation_container.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
@@ -1458,7 +1459,8 @@ void Tab::AdvanceLoadingAnimation() {
   // when possible to reduce repaint overhead.
   const bool paint_to_layer = controller_->CanPaintThrobberToLayer();
   if (paint_to_layer != !!throbber_->layer()) {
-    throbber_->SetPaintToLayer(paint_to_layer);
+    throbber_->SetPaintToLayer(paint_to_layer ? ui::LAYER_TEXTURED
+                                              : ui::LAYER_NOT_DRAWN);
     if (paint_to_layer) {
       throbber_->layer()->SetFillsBoundsOpaquely(false);
       ScheduleIconPaint();  // Ensure the non-layered throbber goes away.