doesnt link in component build

public/web/WebFrameClient.h

Index: public/web/WebFrameClient.h
diff --git a/public/web/WebFrameClient.h b/public/web/WebFrameClient.h
index 328f5aafc22ebce7b0b6e7654a8a5d17d5be107b..1514061b5d38d0dd8c0d6d5de94574a2891debfd 100644
--- a/public/web/WebFrameClient.h
+++ b/public/web/WebFrameClient.h
@@ -65,6 +65,7 @@ class WebColorChooserClient;
 class WebContentDecryptionModule;
 class WebCookieJar;
 class WebDataSource;
+class WebDurableStorageDispatcher;
 class WebEncryptedMediaClient;
 class WebExternalPopupMenu;
 class WebExternalPopupMenuClient;
@@ -646,6 +647,8 @@ public:
     // App Banners ---------------------------------------------------------
     virtual WebAppBannerClient* appBannerClient() { return 0; }
 
+    virtual WebDurableStorageDispatcher* durableStorageDispatcher() { return 0; }
+
 protected:
     virtual ~WebFrameClient() { }
 };