Simple Cache: DoomEntriesBetween()

net/disk_cache/simple/simple_index.h

Index: net/disk_cache/simple/simple_index.h
diff --git a/net/disk_cache/simple/simple_index.h b/net/disk_cache/simple/simple_index.h
index 44fdf1725f55d4c89a32e501d00bbadfd6c8c016..5def21b4773a9db3076b43eedeefe3f3b66861cb 100644
--- a/net/disk_cache/simple/simple_index.h
+++ b/net/disk_cache/simple/simple_index.h
@@ -5,7 +5,8 @@
 #ifndef NET_DISK_CACHE_SIMPLE_SIMPLE_INDEX_H_
 #define NET_DISK_CACHE_SIMPLE_SIMPLE_INDEX_H_
 
-#include <map>
+#include <list>
+#include <set>
 #include <string>
 
 #include "base/basictypes.h"
@@ -16,6 +17,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time.h"
+#include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
 
 class Pickle;
@@ -101,6 +103,19 @@ class NET_EXPORT_PRIVATE SimpleIndex
   static void InsertInEntrySet(const EntryMetadata& entry_metadata,
                                EntrySet* entry_set);
 
+  // Executes the |callback| when the index is ready. Allows multiple callbacks.
+  int ExecuteWhenReady(const net::CompletionCallback& callback);
+
+  // Takes out entries from the index that have last accessed time matching the
+  // range between |initial_time| and |end_time| where open intervals are
+  // possible according to the definition given in |DoomEntriesBetween()| in the
+  // disk cache backend interface. Returns the set of hashes taken out.
+  std::set<uint64>* ExtractEntriesBetween(const base::Time initial_time,
+                                          const base::Time end_time);
+
+  // Returns number of indexed entries.
+  int32 GetEntryCount() const;
+
  private:
   typedef base::Callback<void(scoped_ptr<EntrySet>)> IndexCompletionCallback;
 
@@ -137,6 +152,9 @@ class NET_EXPORT_PRIVATE SimpleIndex
   // All nonstatic SimpleEntryImpl methods should always be called on the IO
   // thread, in all cases. |io_thread_checker_| documents and enforces this.
   base::ThreadChecker io_thread_checker_;
+
+  typedef std::list<net::CompletionCallback> CallbackList;
+  CallbackList to_run_when_initialized_;
 };
 
 }  // namespace disk_cache