Initialize the simple cache backend at runtime.

net/disk_cache/disk_cache.h

Index: net/disk_cache/disk_cache.h
===================================================================
--- net/disk_cache/disk_cache.h	(revision 188696)
+++ net/disk_cache/disk_cache.h	(working copy)
@@ -54,6 +54,23 @@
                                   net::NetLog* net_log, Backend** backend,
                                   const net::CompletionCallback& callback);
 
+// A version of the above with additional |flags| allowing more fine-tuned
+// testing.
+NET_EXPORT int CreateCacheBackendWithFlags(

[rvargas (doing something else), 2013/03/18 22:25:25]

Regardless of the file, the correct declaration would be NEXT_EXPORT_PRIVATE

+    net::CacheType type,
+    const base::FilePath& path,
+    int max_bytes,
+    bool force,
+    uint32 flags,
+    base::MessageLoopProxy* thread,
+    net::NetLog* net_log,
+    Backend** backend,
+    const net::CompletionCallback& callback);
+
+// Renames cache directory synchronously and fires off a background cleanup
+// task. Used by cache creator itself or by backends for self-restart on error.
+bool DelayedCacheCleanup(const base::FilePath& full_path);
+
 // The root interface for a disk cache instance.
 class NET_EXPORT Backend {
  public: