Remove non-md code in location bar (Views).

chrome/browser/ui/views/location_bar/location_icon_view.h

Index: chrome/browser/ui/views/location_bar/location_icon_view.h
diff --git a/chrome/browser/ui/views/location_bar/location_icon_view.h b/chrome/browser/ui/views/location_bar/location_icon_view.h
index 62d931077d4c9d6afddeacde09dbd17cb8d173d3..2cf4c07d3c6e94bd4135abbbff9715f989e4c107 100644
--- a/chrome/browser/ui/views/location_bar/location_icon_view.h
+++ b/chrome/browser/ui/views/location_bar/location_icon_view.h
@@ -24,7 +24,6 @@ class LocationIconView : public IconLabelBubbleView,
                          public gfx::AnimationDelegate {
  public:
   LocationIconView(const gfx::FontList& font_list,
-                   SkColor parent_background_color,
                    LocationBarView* location_bar);
   ~LocationIconView() override;
 
@@ -48,10 +47,6 @@ class LocationIconView : public IconLabelBubbleView,
 
   const gfx::FontList& GetFontList() const { return font_list(); }
 
-  // Set the background image. Pass false for |should_show_ev| for all non-EV
-  // HTTPS contexts.
-  void SetBackground(bool should_show_ev);
-
   // Sets whether the verbose security state text should be visible.
   // |should_animate| controls whether any necessary transition to this state
   // should be animated.