Enables hot-tracking for overflow extension buttons in the app menu

ui/native_theme/native_theme_base.cc

Index: ui/native_theme/native_theme_base.cc
diff --git a/ui/native_theme/native_theme_base.cc b/ui/native_theme/native_theme_base.cc
index 1a7837ef3ebc6161d32094f9b56b21ebf3f759e7..4da1497e40a2ec9d4a1e9f67ffce2f02049428da 100644
--- a/ui/native_theme/native_theme_base.cc
+++ b/ui/native_theme/native_theme_base.cc
@@ -213,7 +213,7 @@ void NativeThemeBase::Paint(SkCanvas* canvas,
       PaintMenuPopupBackground(canvas, rect.size(), extra.menu_background);
       break;
     case kMenuItemBackground:
-      PaintMenuItemBackground(canvas, state, rect, extra.menu_list);
+      PaintMenuItemBackground(canvas, state, rect, extra.menu_item);
       break;
     case kProgressBar:
       PaintProgressBar(canvas, state, rect, extra.progress_bar);
@@ -792,7 +792,7 @@ void NativeThemeBase::PaintMenuItemBackground(
     SkCanvas* canvas,
     State state,
     const gfx::Rect& rect,
-    const MenuListExtraParams& menu_list) const {
+    const MenuItemExtraParams& menu_item) const {
   // By default don't draw anything over the normal background.
 }