VR: Show the info icon with URL if no other security state

Chrome security is trending away from showing the URL scheme, to an
icon-based representation. To support that, we should return to showing
the info icon if there is no other state (either secure or dangerous).

BUG=778411
R=bshe

Change-Id: Ic6ec0af9ff628bcacab55484a7e584339e59528f
Reviewed-on: https://chromium-review.googlesource.com/773119Reviewed-by: Biao She <bshe@chromium.org>
Commit-Queue: Christopher Grant <cjgrant@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517146}

chrome/browser/vr/elements/url_bar_texture.cc

@@ -218,8 +218,7 @@ void UrlBarTexture::Draw(SkCanvas* canvas, const gfx::Size& texture_size) {
   float left_edge = kBackButtonWidth + kSeparatorWidth + kFieldSpacing;
 
   // Site security state icon.
-  if ((state_.security_level != security_state::NONE || state_.offline_page) &&
-      state_.vector_icon != nullptr && state_.should_display_url) {
+  if (state_.should_display_url && state_.vector_icon != nullptr) {
     gfx::RectF icon_region(left_edge, kHeight / 2 - kSecurityIconSize / 2,
                            kSecurityIconSize, kSecurityIconSize);
     VectorIcon::DrawVectorIcon(