[vr] Add incognito coloring

chrome/browser/android/vr_shell/textures/url_bar_texture.cc

Index: chrome/browser/android/vr_shell/textures/url_bar_texture.cc
diff --git a/chrome/browser/android/vr_shell/textures/url_bar_texture.cc b/chrome/browser/android/vr_shell/textures/url_bar_texture.cc
index 61c6d4390f45a3d60215f4945779f50e4574d98e..7377053c75ac7a98bddde4c91af51dbd2d354197 100644
--- a/chrome/browser/android/vr_shell/textures/url_bar_texture.cc
+++ b/chrome/browser/android/vr_shell/textures/url_bar_texture.cc
@@ -139,6 +139,18 @@ void UrlBarTexture::SetPressed(bool pressed) {
   pressed_ = pressed;
 }
 
+void UrlBarTexture::SetIncognito(bool incognito) {
+  if (incognito_ != incognito)
+    set_dirty();
+  incognito_ = incognito;
+}
+
+SkColor UrlBarTexture::AdjustColorForIncognito(SkColor c) const {
+  if (incognito_)
+    return SkColorSetA(c, 255);
+  return c;
+}
+
 void UrlBarTexture::Draw(SkCanvas* canvas, const gfx::Size& texture_size) {
   size_.set_height(texture_size.height());
   size_.set_width(texture_size.width());
@@ -158,11 +170,11 @@ void UrlBarTexture::Draw(SkCanvas* canvas, const gfx::Size& texture_size) {
   SkColor color = hovered_ ? kBackgroundHover : kBackground;
   color = pressed_ ? kBackgroundDown : color;
   SkPaint paint;
-  paint.setColor(color);
+  paint.setColor(AdjustColorForIncognito(color));
   canvas->drawRRect(round_rect, paint);
 
   // URL area.
-  paint.setColor(kBackground);
+  paint.setColor(AdjustColorForIncognito(kBackground));
   SkVector right_corners[4] = {{0, 0}, rounded_corner, rounded_corner, {0, 0}};
   round_rect.setRectRadii({kHeight, 0, kWidth, kHeight}, right_corners);
   canvas->drawRRect(round_rect, paint);