Refactor our SimpleIndex file format and serialization to use Pickle instead of the previously bugg…

net/disk_cache/simple/simple_synchronous_entry.cc

Index: net/disk_cache/simple/simple_synchronous_entry.cc
diff --git a/net/disk_cache/simple/simple_synchronous_entry.cc b/net/disk_cache/simple/simple_synchronous_entry.cc
index 329833c752afde58903117184d96ee14ba362112..cdeada9a4e15183d2da31ce112cbdc538430a186 100644
--- a/net/disk_cache/simple/simple_synchronous_entry.cc
+++ b/net/disk_cache/simple/simple_synchronous_entry.cc
@@ -20,6 +20,7 @@
 #include "base/task_runner.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
+#include "net/disk_cache/simple/simple_index_util.h"
 
 using base::ClosePlatformFile;
 using base::FilePath;