Views: Draw Textfield selected text in gray when top-level Widget loses focus.

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 43e2a670ebaa36f9058564108f5a35c2be77735c..82c3e3ef8b865f3a3d9525c6462f156d83825b53 100644
--- a/ui/native_theme/native_theme_mac.mm
+++ b/ui/native_theme/native_theme_mac.mm
@@ -214,6 +214,9 @@ SkColor NativeThemeMac::GetSystemColor(ColorId color_id) const {
       return NSSystemColorToSkColor([NSColor selectedTextColor]);
     case kColorId_TextfieldSelectionBackgroundFocused:
       return NSSystemColorToSkColor([NSColor selectedTextBackgroundColor]);
+    case kColorId_TextfieldSelectionBackgroundUnfocused:
+      return NSSystemColorToSkColor(
+          [NSColor colorWithSRGBRed:220 green:220 blue:220 alpha:1]);
 
     // Trees/Tables. For focused text, use the alternate* versions, which
     // NSColor documents as "the table and list view equivalent to the