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 ec78f6b1329296f21e82e72a1bbcf8c9e2933619..1f8c7ec840290e0c2b7969cdf79c875f9bb2e827 100644
--- a/chrome/browser/android/vr_shell/color_scheme.cc
+++ b/chrome/browser/android/vr_shell/color_scheme.cc
@@ -62,6 +62,7 @@ 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];
@@ -116,6 +117,7 @@ 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;
 }