Rename Cancelled to Canceled in operationtracker

Part of fixing misspellings.

pintracker/optracker/operation_test.go

@@ -38,12 +38,12 @@ func TestOperation(t *testing.T) {
 		t.Error("bad timestamp")
 	}
 
-	if op.Cancelled() {
+	if op.Canceled() {
 		t.Error("should not be canceled")
 	}
 
 	op.Cancel()
-	if !op.Cancelled() {
+	if !op.Canceled() {
 		t.Error("should be canceled")
 	}
 

pintracker/optracker/operationtracker_test.go

@@ -31,7 +31,7 @@ func TestOperationTracker_TrackNewOperation(t *testing.T) {
 			t.Error("bad type")
 		}
 
-		if op.Cancelled() != false {
+		if op.Canceled() != false {
 			t.Error("should not be canceled")
 		}
 
@@ -53,7 +53,7 @@ func TestOperationTracker_TrackNewOperation(t *testing.T) {
 			t.Fatal("should have created a new operation")
 		}
 
-		if !op.Cancelled() {
+		if !op.Canceled() {
 			t.Fatal("should have canceled the original operation")
 		}
 	})

pintracker/stateless/stateless.go

@@ -144,7 +144,7 @@ func (spt *Tracker) opWorker(pinF func(*optracker.Operation) error, prioCh, norm
 
 // applyPinF returns true if the operation can be considered "DONE".
 func applyPinF(pinF func(*optracker.Operation) error, op *optracker.Operation) bool {
-	if op.Cancelled() {
+	if op.Canceled() {
 		// operation was canceled. Move on.
 		// This saves some time, but not 100% needed.
 		return false
@@ -153,7 +153,7 @@ func applyPinF(pinF func(*optracker.Operation) error, op *optracker.Operation) b
 	op.IncAttempt()
 	err := pinF(op) // call pin/unpin
 	if err != nil {
-		if op.Cancelled() {
+		if op.Canceled() {
 			// there was an error because
 			// we were canceled. Move on.
 			return false