message: add null check, remove unnecessary argument
diff: @@ -128,7 +128,7 @@ public class ToolbarView extends Toolbar {
  for(int i = 0; i < getMenu().size(); i++) {
  setTintColor(getMenu().getItem(i).getIcon());
  }
  - setCollapseSearchTintColor(tintColor);
  + setCollapseSearchTintColor();
  }
  private void setTintColor(Drawable icon) {
  @@ -207,16 +207,18 @@ public class ToolbarView extends Toolbar {
  void setCollapseSearchButton(ImageButton collapseSearchButton) {
  this.collapseSearchButton = collapseSearchButton;
  - setCollapseSearchTintColor(tintColor);
  + setCollapseSearchTintColor();
  }
  - void setCollapseSearchTintColor(Integer tintColor) {
  + void setCollapseSearchTintColor() {
  + if (collapseSearchButton != null) {
  if (tintColor != null)
  collapseSearchButton.setColorFilter(tintColor);
  else
  collapseSearchButton.clearColorFilter();
  }
  + }
  @Override
  public void requestLayout() {
  