Implement ServiceWorkerClient attributes [3/3]

public/platform/WebServiceWorkerClientsInfo.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebServiceWorkerClientsInfo_h
 #define WebServiceWorkerClientsInfo_h
 
 #include "WebCallbacks.h"
 #include "WebURL.h"
 #include "WebURLRequest.h"
 #include "WebVector.h"
 
 namespace blink {
 
 struct WebServiceWorkerError;
 
 struct WebServiceWorkerClientInfo {
     int clientID;
     // FIXME: Use WebPageVisibilityState? That will require moving
     // WebPageVisibilityState from public/web to public/platform.
     WebString visibilityState;
     bool focused;
     WebURL url;
     WebURLRequest::FrameType frameType;
 };
 
 struct WebServiceWorkerClientsInfo {
     WebVector<WebServiceWorkerClientInfo> clients;
-    // FIXME: Remove this once the embedder stops using it.
-    WebVector<int> clientIDs;
 };
 
 typedef WebCallbacks<WebServiceWorkerClientsInfo, WebServiceWorkerError> WebServiceWorkerClientsCallbacks;
 
 } // namespace blink
 
 #endif // WebServiceWorkerClientsInfo_h