Fix race condition for non-open/create operations happening after a doom.

net/disk_cache/simple/simple_synchronous_entry.h

Index: net/disk_cache/simple/simple_synchronous_entry.h
diff --git a/net/disk_cache/simple/simple_synchronous_entry.h b/net/disk_cache/simple/simple_synchronous_entry.h
index f591c9a0f93ef026fcccf139da225b8495f9f369..58dc3dfc5a010e9380b3169aeb98d146e6232763 100644
--- a/net/disk_cache/simple/simple_synchronous_entry.h
+++ b/net/disk_cache/simple/simple_synchronous_entry.h
@@ -85,11 +85,10 @@ class SimpleSynchronousEntry {
   // Deletes an entry without first Opening it. Does not check if there is
   // already an Entry object in memory holding the open files. Be careful! This
   // is meant to be used by the Backend::DoomEntry() call. |callback| will be

[gavinp, 2013/08/26 20:36:50]

|callback| ?

[Philippe, 2013/08/27 11:33:30]

Done.

-  // run by |callback_runner|.
-  static void DoomEntry(const base::FilePath& path,
+  // run by |callback_runner|. Returns a net error code.
+  static int DoomEntry(const base::FilePath& path,
                         const std::string& key,
-                        uint64 entry_hash,
-                        int* out_result);
+                        uint64 entry_hash);
 
   // Like |DoomEntry()| above. Deletes all entries corresponding to the
   // |key_hashes|. Succeeds only when all entries are deleted. Returns a net