[Sync] Add support for loading, updating and querying delete journals in

sync/syncable/entry_kernel.h

Index: sync/syncable/entry_kernel.h
diff --git a/sync/syncable/entry_kernel.h b/sync/syncable/entry_kernel.h
index 77ad87ddbc5f238981d694f354da0d3884392a55..577b0a62525dfbdff258216acdea5fc077d1666e 100644
--- a/sync/syncable/entry_kernel.h
+++ b/sync/syncable/entry_kernel.h
@@ -5,6 +5,8 @@
 #ifndef SYNC_SYNCABLE_ENTRY_KERNEL_H_
 #define SYNC_SYNCABLE_ENTRY_KERNEL_H_
 
+#include <set>
+
 #include "base/time.h"
 #include "base/values.h"
 #include "sync/internal_api/public/base/model_type.h"
@@ -322,6 +324,17 @@ struct EntryKernel {
   bool dirty_;
 };
 
+class EntryKernelLessByMetaHandle {
+ public:
+  inline bool operator()(const EntryKernel* a,
+                         const EntryKernel* b) const {
+    return a->ref(META_HANDLE) < b->ref(META_HANDLE);
+  }
+};
+
+typedef std::set<const EntryKernel*, EntryKernelLessByMetaHandle>
+    EntryKernelSet;

[tim (not reviewing), 2012/12/21 03:30:40]

Hm, did this move from somewhere?  EntryKernelSet already seems to exist...

[haitaol1, 2013/01/03 19:40:49]

Yes, moved here from directory.h.

On 2012/12/21 03:30:40, timsteele wrote:

+
 struct EntryKernelMutation {
   EntryKernel original, mutated;
 };