Cache Backend Proxy to intercept all cache events from the IO thread.

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/file_util.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "net/base/io_buffer.h"
@@ skipping 56 matching lines @@
 
 DiskCacheTestWithCache::~DiskCacheTestWithCache() {}
 
 void DiskCacheTestWithCache::InitCache() {
   if (memory_only_)
     InitMemoryCache();
   else
     InitDiskCache();
 
   ASSERT_TRUE(NULL != cache_);
-  if (first_cleanup_)
+  // TODO(pasko): enable Entry Count for the Simple Cache.
+  if (first_cleanup_ && !simple_cache_mode_)
     ASSERT_EQ(0, cache_->GetEntryCount());
 }
 
 // We are expected to leak memory when simulating crashes.
 void DiskCacheTestWithCache::SimulateCrash() {
   ASSERT_TRUE(!memory_only_);
   net::TestCompletionCallback cb;
   int rv = cache_impl_->FlushQueueForTest(cb.callback());
   ASSERT_EQ(net::OK, cb.GetResult(rv));
   cache_impl_->ClearRefCountForTest();
@@ skipping 199 matching lines @@
     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));
   cache_ = cache_impl_;
 }