Switch to standard integer types in sync/.

sync/internal_api/change_reorder_buffer.h

Index: sync/internal_api/change_reorder_buffer.h
diff --git a/sync/internal_api/change_reorder_buffer.h b/sync/internal_api/change_reorder_buffer.h
index c1c577d43a751795b9cf8cd4b4ba5ac79e3ac400..a1917f31706fa50da38f998400e002c6f783d6ff 100644
--- a/sync/internal_api/change_reorder_buffer.h
+++ b/sync/internal_api/change_reorder_buffer.h
@@ -9,10 +9,13 @@
 #ifndef SYNC_INTERNAL_API_CHANGE_REORDER_BUFFER_H_
 #define SYNC_INTERNAL_API_CHANGE_REORDER_BUFFER_H_
 
+#include <stdint.h>
+
 #include <map>
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "sync/internal_api/public/change_record.h"
 #include "sync/protocol/sync.pb.h"
@@ -38,19 +41,19 @@ class ChangeReorderBuffer {
 
   // Insert an item, identified by the metahandle |id|, into the reorder buffer.
   // This item will appear in the output list as an ACTION_ADD ChangeRecord.
-  void PushAddedItem(int64 id);
+  void PushAddedItem(int64_t id);
 
   // Insert an item, identified by the metahandle |id|, into the reorder buffer.
   // This item will appear in the output list as an ACTION_DELETE ChangeRecord.
-  void PushDeletedItem(int64 id);
+  void PushDeletedItem(int64_t id);
 
   // Insert an item, identified by the metahandle |id|, into the reorder buffer.
   // This item will appear in the output list as an ACTION_UPDATE ChangeRecord.
-  void PushUpdatedItem(int64 id);
+  void PushUpdatedItem(int64_t id);
 
-  void SetExtraDataForId(int64 id, ExtraPasswordChangeRecordData* extra);
+  void SetExtraDataForId(int64_t id, ExtraPasswordChangeRecordData* extra);
 
-  void SetSpecificsForId(int64 id, const sync_pb::EntitySpecifics& specifics);
+  void SetSpecificsForId(int64_t id, const sync_pb::EntitySpecifics& specifics);
 
   // Reset the buffer, forgetting any pushed items, so that it can be used again
   // to reorder a new set of changes.
@@ -68,9 +71,9 @@ class ChangeReorderBuffer {
 
  private:
   class Traversal;
-  typedef std::map<int64, ChangeRecord::Action> OperationMap;
-  typedef std::map<int64, sync_pb::EntitySpecifics> SpecificsMap;
-  typedef std::map<int64, linked_ptr<ExtraPasswordChangeRecordData> >
+  typedef std::map<int64_t, ChangeRecord::Action> OperationMap;
+  typedef std::map<int64_t, sync_pb::EntitySpecifics> SpecificsMap;
+  typedef std::map<int64_t, linked_ptr<ExtraPasswordChangeRecordData>>
       ExtraDataMap;
 
   // Stores the items that have been pushed into the buffer, and the type of