[vr] Add incognito coloring

chrome/browser/android/vr_shell/color_scheme.cc

Index: chrome/browser/android/vr_shell/color_scheme.cc
diff --git a/chrome/browser/android/vr_shell/color_scheme.cc b/chrome/browser/android/vr_shell/color_scheme.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8ca117f7e29f5fb93229bbf9c3be489126c7e51c
--- /dev/null
+++ b/chrome/browser/android/vr_shell/color_scheme.cc
@@ -0,0 +1,42 @@
+// 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/color_scheme.h"
+
+namespace vr_shell {
+
+namespace {
+
+ColorScheme kColorSchemes[] = {
+    // normal

[tiborg, 2017/05/25 00:47:18]

Nit: capital N and period in the end.

+    {
+        {0.89, 0.89, 0.89, 1.0},
+        {0.811, 0.811, 0.811, 1.0},
+        {0.859, 0.859, 0.859, 1.0},
+        {1.0, 1.0, 1.0, 1.0},
+    },
+    // fullscreen

[tiborg, 2017/05/25 00:47:17]

Here too.

+    {
+        {0.039215686, 0.0, 0.082352941, 0.149019608},
+        {0.02745098, 0.058823529, 0.109803922, 0.5},
+        {0.015686275, 0.031372549, 0.058823529, 1.0},
+        {0.639215686, 0.878431373, 1.0, 0.5},
+    },
+    // incognito - TODO(joshcarpenter): pick real colors for this.

[tiborg, 2017/05/25 00:47:17]

Here too.

+    {
+        {0.039215686, 0.0, 0.082352941, 0.149019608},
+        {0.02745098, 0.058823529, 0.109803922, 0.5},
+        {0.015686275, 0.031372549, 0.058823529, 1.0},
+        {0.639215686, 0.878431373, 1.0, 0.5},
+    },
+};
+
+}  // namespace
+
+/* static */

[tiborg, 2017/05/25 00:47:17]

Do we need this comment?

+const ColorScheme& ColorScheme::GetColorScheme(ColorScheme::Mode mode) {
+  return kColorSchemes[static_cast<int>(mode)];
+}
+
+}  // namespace vr_shell