When possible, draw the toolbar shadow with the compositor

chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc

Index: chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc
diff --git a/chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc b/chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc
index aaaabe16346a9c62952f634523f053baa7b6ac5d..85fd0a307caba8c4eddd4dd3619da62aceedd033 100644
--- a/chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc
+++ b/chrome/browser/android/compositor/scene_layer/tab_list_scene_layer.cc
@@ -78,6 +78,7 @@ void TabListSceneLayer::PutTabLayer(
     const JavaParamRef<jobject>& jobj,
     jint id,
     jint toolbar_resource_id,
+    jint toolbar_shadow_resource_id,
     jint close_button_resource_id,
     jint shadow_resource_id,
     jint contour_resource_id,
@@ -127,13 +128,15 @@ void TabListSceneLayer::PutTabLayer(
     jfloat toolbar_y_offset,
     jfloat side_border_scale,
     jboolean attach_content,
-    jboolean inset_border) {
+    jboolean inset_border,
+    jboolean needs_toolbar_shadow) {
   scoped_refptr<TabLayer> layer = GetNextLayer(incognito);
   // https://crbug.com/517314: GetNextLayer() returns null in some corner cases.
   DCHECK(layer);
   if (layer) {
     layer->SetProperties(
-        id, can_use_live_layer, toolbar_resource_id, close_button_resource_id,
+        id, can_use_live_layer, toolbar_resource_id, toolbar_shadow_resource_id,
+        close_button_resource_id,
         shadow_resource_id, contour_resource_id, back_logo_resource_id,
         border_resource_id, border_inner_shadow_resource_id,
         tab_background_color, back_logo_color, is_portrait, x, y, width, height,
@@ -145,7 +148,8 @@ void TabListSceneLayer::PutTabLayer(
         default_theme_color, toolbar_background_color, close_button_color,
         anonymize_toolbar, toolbar_textbox_resource_id,
         toolbar_textbox_background_color, toolbar_textbox_alpha, toolbar_alpha,
-        toolbar_y_offset, side_border_scale, attach_content, inset_border);
+        toolbar_y_offset, side_border_scale, attach_content, inset_border,
+        needs_toolbar_shadow);
   }
 
   if (attach_content) {