Update omnibox dropdown selection/hover background drawing for MD.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index 4abd6a829d2af4eef8451373fcd108200a38ab95..a219ea3318717a43d5ef3b7e0b40422ac91df3d1 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -477,7 +477,8 @@ void LocationBarView::GetOmniboxPopupPositioningInfo(
 
   *popup_width = parent()->width();
   gfx::Rect location_bar_bounds(bounds());
-  location_bar_bounds.Inset(GetHorizontalEdgeThickness(), 0);
+  if (!ui::MaterialDesignController::IsModeMaterial())
+    location_bar_bounds.Inset(GetHorizontalEdgeThickness(), 0);
   *left_margin = location_bar_bounds.x();
   *right_margin = *popup_width - location_bar_bounds.right();
 }