Cleanly detach XHR and other pending loader clients from Inspector.

third_party/WebKit/Source/core/inspector/InspectorInstrumentation.idl

 /*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 194 matching lines @@
 
     [Network]
     void willStartFetch(ExecutionContext*, ThreadableLoaderClient*);
 
     [Network]
     void didFailFetch(ExecutionContext*, ThreadableLoaderClient*);
 
     [Network]
     void didFinishFetch([Keep] ExecutionContext*, ThreadableLoaderClient*, const AtomicString& method, const String& url);
 
+    // Detach and remove all references to the given client.
+    [Network]
+    void detachClientRequest(ExecutionContext*, ThreadableLoaderClient*);
+
     [Network]
     void scriptImported(ExecutionContext*, unsigned long identifier, const String& sourceString);
 
     [DOMDebugger]
     void scriptExecutionBlockedByCSP(ExecutionContext*, const String& directiveText);
 
     [Network]
     void didReceiveScriptResponse(ExecutionContext*, unsigned long identifier);
 
     [DOM, Page]
@@ skipping 99 matching lines @@
 
     [Worker]
     bool shouldWaitForDebuggerOnWorkerStart(ExecutionContext* context);
 
     [Network]
     bool shouldForceCORSPreflight(Document*);
 
     [Network]
     bool shouldBlockRequest(LocalFrame*, const ResourceRequest&);
 }