[vr] Add incognito coloring

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/vr_shell/textures/url_bar_texture.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "cc/paint/skia_paint_canvas.h"
 #include "components/security_state/core/security_state.h"
 #include "ui/gfx/canvas.h"
@@ skipping 121 matching lines @@
     set_dirty();
   hovered_ = hovered;
 }
 
 void UrlBarTexture::SetPressed(bool pressed) {
   if (pressed_ != pressed)
     set_dirty();
   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());
 
   canvas->save();
   canvas->scale(size_.width() / kWidth, size_.width() / kWidth);
 
   // Make a gfx canvas to support utility drawing methods.
   cc::SkiaPaintCanvas paint_canvas(canvas);
   gfx::Canvas gfx_canvas(&paint_canvas, 1.0f);
 
   // Back button area.
   SkRRect round_rect;
   SkVector rounded_corner = {kHeight / 2, kHeight / 2};
   SkVector left_corners[4] = {rounded_corner, {0, 0}, {0, 0}, rounded_corner};
   round_rect.setRectRadii({0, 0, kHeight, kHeight}, left_corners);
   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);
 
   // Back button / URL separator vertical line.
   paint.setColor(kSeparatorColor);
   canvas->drawRect(SkRect::MakeXYWH(kHeight, 0, kSeparatorWidth, kHeight),
                    paint);
 
   // Back button icon.
@@ skipping 46 matching lines @@
 
 gfx::Size UrlBarTexture::GetPreferredTextureSize(int maximum_width) const {
   return gfx::Size(maximum_width, maximum_width * kHeight / kWidth);
 }
 
 gfx::SizeF UrlBarTexture::GetDrawnSize() const {
   return size_;
 }
 
 }  // namespace vr_shell