Fixes a leak of a ResourceHandle that happens with synchronous XMLHttpRequest...

webkit/glue/resource_handle_impl.cc

 // Copyright (c) 2006-2008 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.
 //
 // This file replaces WebCore/platform/network/win/ResourceHandleWin.cpp with a
 // platform-neutral implementation that simply defers almost entirely to
 // ResouceLoaderBridge.
 //
 // This uses the same ResourceHandle.h header file that the rest of WebKit
 // uses, allowing us to avoid complicated changes. Our specific things are
@@ skipping 698 matching lines @@
 
 /*static*/ bool ResourceHandle::supportsBufferedData() {
   return false;  // the loader will buffer manually if it needs to
 }
 
 /*static*/ void ResourceHandle::loadResourceSynchronously(
     const ResourceRequest& request, ResourceError& error,
     ResourceResponse& response, Vector<char>& data, Frame*) {
 
   RefPtr<ResourceHandle> handle =
-      new ResourceHandle(request, NULL, false, false, false);
+      adoptRef(new ResourceHandle(request, NULL, false, false, false));
 
   ResourceLoaderBridge::SyncLoadResponse sync_load_response;
   if (!handle->d->Start(&sync_load_response)) {
     response =
         ResourceResponse(request.url(), String(), 0, String(), String());
     // TODO(darin): what should the error code really be?
     error = ResourceError(net::kErrorDomain,
                           net::ERR_FAILED,
                           request.url().string(),
                           String() /* localized description */);
@@ skipping 34 matching lines @@
   // if the request cannot be serviced from cache.  We force the 'DontLoad'
   // cache policy at this point to ensure that we never hit the network for
   // this request.
   //
   DCHECK(request.httpMethod() == "POST");
   request.setCachePolicy(ReturnCacheDataDontLoad);
   return true;
 }
 
 }  // namespace WebCore