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 17b87eebd619e60717437c38ae29826d70b0988f..1b821ffe0215cd80b66766e0c0996dc51b8a8682 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -476,7 +476,8 @@ 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();
 }