Remove void** from disk_cache interface.

net/url_request/view_cache_helper.cc

 // Copyright (c) 2012 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.
 
 #include "net/url_request/view_cache_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/escape.h"
@@ skipping 27 matching lines @@
       "</a></td></tr>";
   return row;
 }
 
 }  // namespace.
 
 ViewCacheHelper::ViewCacheHelper()
     : context_(NULL),
       disk_cache_(NULL),
       entry_(NULL),
-      iter_(NULL),
       buf_len_(0),
       index_(0),
       data_(NULL),
       next_state_(STATE_NONE),
       weak_factory_(this) {
 }
 
 ViewCacheHelper::~ViewCacheHelper() {
   if (entry_)
     entry_->Close();
@@ skipping 299 matching lines @@
     entry_ = NULL;
   }
   return OK;
 }
 
 void ViewCacheHelper::OnIOComplete(int result) {
   DoLoop(result);
 }
 
 }  // namespace net.