Supplement should have a Member to the corresponding Supplementable object

third_party/WebKit/Source/core/frame/NavigatorID.h

Index: third_party/WebKit/Source/core/frame/NavigatorID.h
diff --git a/third_party/WebKit/Source/core/frame/NavigatorID.h b/third_party/WebKit/Source/core/frame/NavigatorID.h
index 6b212d235883b33435ffb3dae29eb59aad7fe462..3005ece6095d4f6e6af9ff49d7b613376f047aa7 100644
--- a/third_party/WebKit/Source/core/frame/NavigatorID.h
+++ b/third_party/WebKit/Source/core/frame/NavigatorID.h
@@ -31,11 +31,12 @@
 #ifndef NavigatorID_h
 #define NavigatorID_h
 
+#include "core/CoreExport.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class NavigatorID {
+class CORE_EXPORT NavigatorID {
  public:
   String appCodeName();
   String appName();