Show splash screen when entering VR from a deep-link

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
index 01f1941f8244294b877a04543606ce085e0cd350..5545ecd778201c1ee1217a7f564907dd9d7a1c5b 100644
--- a/chrome/browser/android/vr_shell/color_scheme.cc
+++ b/chrome/browser/android/vr_shell/color_scheme.cc
@@ -67,6 +67,7 @@ void InitializeColorSchemes() {
   normal_scheme.disabled = 0x33333333;
   normal_scheme.dimmer_inner = 0xCC0D0D0D;
   normal_scheme.dimmer_outer = 0xE6000000;
+  normal_scheme.splash_screen_background = SK_ColorBLACK;
 
   kColorSchemes[ColorScheme::kModeFullscreen] =
       kColorSchemes[ColorScheme::kModeNormal];
@@ -121,6 +122,7 @@ void InitializeColorSchemes() {
   incognito_scheme.prompt_button_background_hover = 0xFF8C8C8C;
   incognito_scheme.prompt_button_background_down = 0xE6FFFFFF;
   incognito_scheme.disabled = 0x33E6E6E6;
+  incognito_scheme.splash_screen_background = SK_ColorBLACK;
 
   initialized = true;
 }