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

Source/platform/exported/WebServiceWorkerRequest.cpp

Index: Source/platform/exported/WebServiceWorkerRequest.cpp
diff --git a/Source/platform/exported/WebServiceWorkerRequest.cpp b/Source/platform/exported/WebServiceWorkerRequest.cpp
index 73075ae2685ded9e180ffa834da3535e180f4dfe..cbf1dcef9206c32da0edee78b6b16c7999d98f67 100644
--- a/Source/platform/exported/WebServiceWorkerRequest.cpp
+++ b/Source/platform/exported/WebServiceWorkerRequest.cpp
@@ -32,7 +32,6 @@ public:
     WebURLRequest::RequestContext m_requestContext;
     WebURLRequest::FrameType m_frameType;
     bool m_isReload;
-    WebServiceWorkerClientInfo m_client;
 };
 
 WebServiceWorkerRequest::WebServiceWorkerRequest()
@@ -177,14 +176,4 @@ bool WebServiceWorkerRequest::isReload() const
     return m_private->m_isReload;
 }
 
-void WebServiceWorkerRequest::setClient(const WebServiceWorkerClientInfo& client)
-{
-    m_private->m_client = client;
-}
-
-WebServiceWorkerClientInfo& WebServiceWorkerRequest::client() const
-{
-    return m_private->m_client;
-}
-
 } // namespace blink