Revert "Add Client Attribute to FetchEvent- Blink Side."

public/platform/WebServiceWorkerRequest.h

Index: public/platform/WebServiceWorkerRequest.h
diff --git a/public/platform/WebServiceWorkerRequest.h b/public/platform/WebServiceWorkerRequest.h
index 41d44f2ed8b13be9d3257e05f90ee946c19c81a2..45b04519fd901ad3b09ef93242d8ac93d19e1b89 100644
--- a/public/platform/WebServiceWorkerRequest.h
+++ b/public/platform/WebServiceWorkerRequest.h
@@ -8,7 +8,6 @@
 #include "WebCommon.h"
 #include "public/platform/WebPrivatePtr.h"
 #include "public/platform/WebReferrerPolicy.h"
-#include "public/platform/WebServiceWorkerClientsInfo.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLRequest.h"
@@ -77,9 +76,6 @@ public:
     void setIsReload(bool);
     bool isReload() const;
 
-    void setClient(const WebServiceWorkerClientInfo&);
-    WebServiceWorkerClientInfo& client() const;
-
 #if INSIDE_BLINK
     const HTTPHeaderMap& headers() const;
     PassRefPtr<BlobDataHandle> blobDataHandle() const;