Remove void** from disk_cache interface.

net/disk_cache/disk_cache_test_base.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/disk_cache/disk_cache_test_base.h"
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 135 matching lines @@
   int rv = cache_->DoomEntriesBetween(initial_time, end_time, cb.callback());
   return cb.GetResult(rv);
 }
 
 int DiskCacheTestWithCache::DoomEntriesSince(const base::Time initial_time) {
   net::TestCompletionCallback cb;
   int rv = cache_->DoomEntriesSince(initial_time, cb.callback());
   return cb.GetResult(rv);
 }
 
-int DiskCacheTestWithCache::OpenNextEntry(void** iter,
+int DiskCacheTestWithCache::OpenNextEntry(disk_cache::Backend::Iterator* iter,
                                           disk_cache::Entry** next_entry) {
   net::TestCompletionCallback cb;
   int rv = cache_->OpenNextEntry(iter, next_entry, cb.callback());
   return cb.GetResult(rv);
 }
 
 void DiskCacheTestWithCache::FlushQueueForTest() {
   if (memory_only_ || !cache_impl_)
     return;
 
@@ skipping 148 matching lines @@
   if (size_)
     EXPECT_TRUE(cache_impl_->SetMaxSize(size_));
   if (new_eviction_)
     cache_impl_->SetNewEviction();
   cache_impl_->SetType(type_);
   cache_impl_->SetFlags(flags);
   net::TestCompletionCallback cb;
   int rv = cache_impl_->Init(cb.callback());
   ASSERT_EQ(net::OK, cb.GetResult(rv));
 }