Separate Simple Backend creation from initialization.

net/disk_cache/simple/simple_synchronous_entry.cc

 // 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.
 
 #include "net/disk_cache/simple/simple_synchronous_entry.h"
 
 #include <algorithm>
 #include <cstring>
 #include <limits>
 
@@ skipping 33 matching lines @@
       base::StringPrintf("_%1d", index);
 }
 
 int32 DataSizeFromKeyAndFileSize(size_t key_size, int64 file_size) {
   int64 data_size = file_size - key_size - sizeof(disk_cache::SimpleFileHeader);
   DCHECK_GE(implicit_cast<int64>(std::numeric_limits<int32>::max()), data_size);
   return data_size;
 }
 
 int64 FileOffsetFromDataOffset(size_t key_size, int data_offset) {
-  const int64 headers_size = sizeof(disk_cache::SimpleFileHeader) +
-                             key_size;
+  const int64 headers_size = sizeof(disk_cache::SimpleFileHeader) + key_size;
   return headers_size + data_offset;
 }
 
 }  // namespace
 
 namespace disk_cache {
 
 // static
 void SimpleSynchronousEntry::OpenEntry(
     const FilePath& path,
@@ skipping 227 matching lines @@
       // TODO(gavinp): Clean up created files.
       DLOG(WARNING) << "Could not write keys to new cache entry.";
       return false;
     }
   }
   initialized_ = true;
   return true;
 }
 
 }  // namespace disk_cache