Simple Cache: Add two optional stream 2 histograms

net/disk_cache/simple/simple_synchronous_entry.h

 // Copyright (c) 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.
 
 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_
 #define NET_DISK_CACHE_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_
 
 #include <algorithm>
 #include <string>
 #include <utility>
@@ skipping 232 matching lines @@
   std::string key_;
 
   bool have_open_files_;
   bool initialized_;
 
   base::PlatformFile files_[kSimpleEntryFileCount];
 
   // True if the corresponding stream is empty and therefore no on-disk file
   // was created to store it.
   bool empty_file_omitted_[kSimpleEntryFileCount];
+
+  // True if the entry was created, or false if it was opened.  (Used to log

[gavinp, 2013/09/24 21:15:42]

Nit: no need for the parens, and only one space after a period please.

[Deprecated (see juliatuttle), 2013/09/24 23:28:53]

Done.  Everywhere in net/disk_cache/simple.

+  // SimpleCache.*.EntryCreatedWithStream2Omitted only for created entries.)
+  bool files_created_;
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_