Add PNACL_CACHE cache backend type, and allow larger files for this type.

chrome/browser/nacl_host/pnacl_translation_cache.cc

 // Copyright 2013 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 "chrome/browser/nacl_host/pnacl_translation_cache.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 354 matching lines @@
                                     const GetNexeCallback& callback) {
   PnaclTranslationCacheEntry* entry =
       PnaclTranslationCacheEntry::GetReadEntry(AsWeakPtr(), key, callback);
   open_entries_[entry] = entry;
   entry->Start();
 }
 
 int PnaclTranslationCache::InitOnDisk(const base::FilePath& cache_directory,
                                       const CompletionCallback& callback) {
   in_memory_ = false;
-  return Init(net::DISK_CACHE, cache_directory, 0 /* auto size */, callback);
+  return Init(net::PNACL_CACHE, cache_directory, 0 /* auto size */, callback);
 }
 
 int PnaclTranslationCache::InitInMemory(const CompletionCallback& callback) {
   in_memory_ = true;
   return Init(net::MEMORY_CACHE, base::FilePath(), kMaxMemCacheSize, callback);
 }
 
 int PnaclTranslationCache::Size() {
   if (!disk_cache_)
     return -1;
@@ skipping 33 matching lines @@
 }
 
 int PnaclTranslationCache::DoomEntriesBetween(
     base::Time initial,
     base::Time end,
     const CompletionCallback& callback) {
   return disk_cache_->DoomEntriesBetween(initial, end, callback);
 }
 
 }  // namespace pnacl