wrench_menu: use NativeTheme colors under aura

ui/native_theme/native_theme_aura.cc

Index: ui/native_theme/native_theme_aura.cc
diff --git a/ui/native_theme/native_theme_aura.cc b/ui/native_theme/native_theme_aura.cc
index b1f41e42fe8b9443b6d4066c791b6dce8d6d826f..ed016e690e5286135a6ce4800a3b47412499b91b 100644
--- a/ui/native_theme/native_theme_aura.cc
+++ b/ui/native_theme/native_theme_aura.cc
@@ -38,7 +38,12 @@ const SkColor kTextButtonHoverColor = kTextButtonEnabledColor;
 const SkColor kEnabledMenuItemForegroundColor = kTextButtonEnabledColor;
 const SkColor kDisabledMenuItemForegroundColor = kTextButtonDisabledColor;
 const SkColor kFocusedMenuItemBackgroundColor = SkColorSetRGB(0xF1, 0xF1, 0xF1);
+const SkColor kHoverMenuItemBackgroundColor =
+    SkColorSetARGB(204, 255, 255, 255);
 const SkColor kMenuSeparatorColor = SkColorSetRGB(0xED, 0xED, 0xED);
+const SkColor kEnabledMenuButtonBorderColor = SkColorSetARGB(36, 0, 0, 0);
+const SkColor kFocusedMenuButtonBorderColor = SkColorSetARGB(72, 0, 0, 0);
+const SkColor kHoverMenuButtonBorderColor = SkColorSetARGB(72, 0, 0, 0);
 // Label:
 const SkColor kLabelEnabledColor = kTextButtonEnabledColor;
 const SkColor kLabelDisabledColor = kTextButtonDisabledColor;
@@ -130,8 +135,16 @@ SkColor NativeThemeAura::GetSystemColor(ColorId color_id) const {
       return kDisabledMenuItemForegroundColor;
     case kColorId_FocusedMenuItemBackgroundColor:
       return kFocusedMenuItemBackgroundColor;
+    case kColorId_HoverMenuItemBackgroundColor:
+      return kHoverMenuItemBackgroundColor;
     case kColorId_MenuSeparatorColor:
       return kMenuSeparatorColor;
+    case kColorId_EnabledMenuButtonBorderColor:
+      return kEnabledMenuButtonBorderColor;
+    case kColorId_FocusedMenuButtonBorderColor:
+      return kFocusedMenuButtonBorderColor;
+    case kColorId_HoverMenuButtonBorderColor:
+      return kHoverMenuButtonBorderColor;
 
     // Label
     case kColorId_LabelEnabledColor:
@@ -186,6 +199,7 @@ SkColor NativeThemeAura::GetSystemColor(ColorId color_id) const {
       return kTableGroupingIndicatorColor;
 
     case kColorId_MenuBackgroundColor:
+      return kMenuBackgroundColor;
     case kColorId_MenuBorderColor:
       NOTREACHED();
       break;