Switch to standard integer types in sync/.

sync/engine/non_blocking_type_commit_contribution.h

Index: sync/engine/non_blocking_type_commit_contribution.h
diff --git a/sync/engine/non_blocking_type_commit_contribution.h b/sync/engine/non_blocking_type_commit_contribution.h
index 41ee4de5046d9e0569cbc35ac611ddacdb9f5abc..f0fddcfc6ceda1a8336295fe47e12b2371ce03e6 100644
--- a/sync/engine/non_blocking_type_commit_contribution.h
+++ b/sync/engine/non_blocking_type_commit_contribution.h
@@ -5,9 +5,12 @@
 #ifndef SYNC_ENGINE_NON_BLOCKING_TYPE_COMMIT_CONTRIBUTION_H_
 #define SYNC_ENGINE_NON_BLOCKING_TYPE_COMMIT_CONTRIBUTION_H_
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include <vector>
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "sync/engine/commit_contribution.h"
 #include "sync/protocol/sync.pb.h"
 
@@ -24,7 +27,7 @@ class NonBlockingTypeCommitContribution : public syncer::CommitContribution {
   NonBlockingTypeCommitContribution(
       const sync_pb::DataTypeContext& context,
       const google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>& entities,
-      const std::vector<int64>& sequence_numbers,
+      const std::vector<int64_t>& sequence_numbers,
       ModelTypeWorker* worker);
   ~NonBlockingTypeCommitContribution() override;
 
@@ -48,7 +51,7 @@ class NonBlockingTypeCommitContribution : public syncer::CommitContribution {
 
   // The sequence numbers associated with the pending commits.  These match up
   // with the entities_ vector.
-  const std::vector<int64> sequence_numbers_;
+  const std::vector<int64_t> sequence_numbers_;
 
   // The index in the commit message where this contribution's entities are
   // added.  Used to correlate per-item requests with per-item responses.