[Mac][Material Design] Update Omnibox dropdown on Mac to MD

chrome/browser/ui/cocoa/location_bar/translate_decoration.h

Index: chrome/browser/ui/cocoa/location_bar/translate_decoration.h
diff --git a/chrome/browser/ui/cocoa/location_bar/translate_decoration.h b/chrome/browser/ui/cocoa/location_bar/translate_decoration.h
index b90f2ef7cf2a99b83af6239cb9c8c365471eecc0..04f9803719dd156257707216ac16ce7272ff5f96 100644
--- a/chrome/browser/ui/cocoa/location_bar/translate_decoration.h
+++ b/chrome/browser/ui/cocoa/location_bar/translate_decoration.h
@@ -30,6 +30,10 @@ class TranslateDecoration : public ImageDecoration {
   NSString* GetToolTip() override;
   NSPoint GetBubblePointInFrame(NSRect frame) override;
 
+ protected:
+  // Overridden from LocationBarDecoration:
+  gfx::VectorIconId GetMaterialVectorIconId();
+
  private:
   // For showing the translate bubble up.
   CommandUpdater* command_updater_;  // Weak, owned by Browser.