Componentization: fix SupplementTracing<0>::~SupplementTracing<0>(void) already defined.

Source/modules/storage/StorageNamespaceController.h

Index: Source/modules/storage/StorageNamespaceController.h
diff --git a/Source/modules/storage/StorageNamespaceController.h b/Source/modules/storage/StorageNamespaceController.h
index 32b9f8fe36d55214d84d59286a1e17b2f7850718..c2ce9b5c193816e2e0aa596cf0e811f4582e0eb1 100644
--- a/Source/modules/storage/StorageNamespaceController.h
+++ b/Source/modules/storage/StorageNamespaceController.h
@@ -6,12 +6,15 @@
 #define StorageNamespaceController_h
 
 #include "core/page/Page.h"
+#include "core/page/PageSupplementable.h"
 #include "platform/Supplementable.h"
+#include "platform/heap/Handle.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class InspectorDOMStorageAgent;
+class Page;
 class StorageClient;
 class StorageNamespace;