[vr] Migrate from vr::Colorf to SkColor

chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h

Index: chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h
diff --git a/chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h b/chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h
index 1e1c958b5c3f895c2c111d149e7019b4606e37c9..c2e83f9681220e16cad5b5d4c98f5f2f6202fbfe 100644
--- a/chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h
+++ b/chrome/browser/android/vr_shell/ui_elements/screen_dimmer.h
@@ -7,7 +7,6 @@
 
 #include "base/macros.h"
 #include "chrome/browser/android/vr_shell/ui_elements/ui_element.h"
-#include "device/vr/vr_types.h"
 
 namespace vr_shell {
 
@@ -22,11 +21,6 @@ class ScreenDimmer : public UiElement {
   void Render(VrShellRenderer* renderer,
               vr::Mat4f view_proj_matrix) const final;
 
- private:
-  vr::Colorf inner_color_;
-  vr::Colorf outer_color_;
-  float opacity_;
-
   DISALLOW_COPY_AND_ASSIGN(ScreenDimmer);
 };