Merge pull request #10402 from brave/pr10398_fix_accent_border_issue_…

…on_win_1.31.x

Fixed accent top border is only visible on Windows (uplift to 1.31.x)

browser/themes/brave_theme_helper_win.cc

@@ -13,12 +13,9 @@ SkColor BraveThemeHelperWin::GetDefaultColor(
     const CustomThemeSupplier* theme_supplier) const {
   // Prevent dcheck in chrome/browser/themes/theme_properties.cc(384)
   // It assumes these ids are handled in theme service.
-  if (DwmColorsAllowed(theme_supplier)) {
-    if (id == ThemeProperties::COLOR_ACCENT_BORDER_ACTIVE)
-      return dwm_accent_border_color_;
-    // In Windows 10, native inactive borders are #555555 with 50% alpha.
-    if (id == ThemeProperties::COLOR_ACCENT_BORDER_INACTIVE)
-      return SkColorSetARGB(0x80, 0x55, 0x55, 0x55);
+  if (id == ThemeProperties::COLOR_ACCENT_BORDER_ACTIVE ||
+      id == ThemeProperties::COLOR_ACCENT_BORDER_INACTIVE) {
+    return ThemeHelperWin::GetDefaultColor(id, incognito, theme_supplier);
   }
   // Skip ThemeHelperWin::GetDefaultColor() to prevent using dwm frame color.
   return BraveThemeHelper::GetDefaultColor(id, incognito, theme_supplier);