[vr] Migrate from vr::Colorf to SkColor

chrome/browser/android/vr_shell/vr_shell_renderer.h

Index: chrome/browser/android/vr_shell/vr_shell_renderer.h
diff --git a/chrome/browser/android/vr_shell/vr_shell_renderer.h b/chrome/browser/android/vr_shell/vr_shell_renderer.h
index 7a046aba28ba5968bae2917553f0a8fd42b3ad2f..5759fea43d1ca351f4300e1d96d6f026a10b7d9f 100644
--- a/chrome/browser/android/vr_shell/vr_shell_renderer.h
+++ b/chrome/browser/android/vr_shell/vr_shell_renderer.h
@@ -233,8 +233,8 @@ class GradientQuadRenderer : public BaseQuadRenderer {
   ~GradientQuadRenderer() override;
 
   void Draw(const vr::Mat4f& view_proj_matrix,
-            const vr::Colorf& edge_color,
-            const vr::Colorf& center_color,
+            SkColor edge_color,
+            SkColor center_color,
             float opacity);
 
  private:
@@ -253,8 +253,8 @@ class GradientGridRenderer : public BaseRenderer {
   ~GradientGridRenderer() override;
 
   void Draw(const vr::Mat4f& view_proj_matrix,
-            const vr::Colorf& edge_color,
-            const vr::Colorf& center_color,
+            SkColor edge_color,
+            SkColor center_color,
             int gridline_count,
             float opacity);