Rename native theme color constants relating to text on dialog buttons

ui/native_theme/native_theme_mac.mm

Index: ui/native_theme/native_theme_mac.mm
diff --git a/ui/native_theme/native_theme_mac.mm b/ui/native_theme/native_theme_mac.mm
index a88fafc9fc404c36898cbcb08279b01f01c71d01..3773dfd672d4f658a56aa1f8a6b57a1d0369a09d 100644
--- a/ui/native_theme/native_theme_mac.mm
+++ b/ui/native_theme/native_theme_mac.mm
@@ -179,7 +179,7 @@ SkColor NativeThemeMac::GetSystemColor(ColorId color_id) const {
       return NSSystemColorToSkColor([NSColor controlColor]);
 
     // Buttons and labels.
-    case kColorId_ButtonEnabledColor:
+    case kColorId_TextOnEnabledDialogButton:
     case kColorId_LabelEnabledColor:
       return NSSystemColorToSkColor([NSColor controlTextColor]);
     // NSColor doesn't offer a color for prominent buttons. Use the Aura color,
@@ -187,7 +187,7 @@ SkColor NativeThemeMac::GetSystemColor(ColorId color_id) const {
     // to draw buttons that are given a \n key equivalent.
     case kColorId_ProminentButtonColor:
       return ApplySystemControlTint(GetAuraColor(color_id, this));
-    case kColorId_ButtonDisabledColor:
+    case kColorId_TextOnDisabledDialogButton:
     case kColorId_LabelDisabledColor:
       return NSSystemColorToSkColor([NSColor disabledControlTextColor]);
     case kColorId_ButtonHoverColor: