cros: Check initial auth type when showing views login.

Bug: 859611
Change-Id: I0298db9bbf4aed6bd40600aef2e1c5794e8cd058
Reviewed-on: https://chromium-review.googlesource.com/1123056
Reviewed-by: Xiaoyin Hu <xiaoyinh@chromium.org>
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572224}
views::Label* CreateInfoLabel() {
  views::Label* label = new views::Label();
  label->SetAutoColorReadabilityEnabled(false);
  label->SetEnabledColor(SK_ColorWHITE);
  label->SetFontList(views::Label::GetDefaultFontList().Derive(
      -1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
  label->SetSubpixelRenderingEnabled(false);

  return label;
}

views::Label* CreateInfoLabel() {
  views::Label* label = new views::Label();
  label->SetAutoColorReadabilityEnabled(false);
  label->SetEnabledColor(SK_ColorWHITE);
  label->SetFontList(views::Label::GetDefaultFontList().Derive(
      -1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
  label->SetSubpixelRenderingEnabled(false);

  return label;
}
