make some linters a bit happier

handler.go

@@ -157,9 +157,9 @@ func (t *Target) processEvent(ctxt context.Context, msg *cdproto.Message) error
 
 	switch msg.Method.Domain() {
 	case "Page":
-		t.pageEvent(ctxt, ev)
+		t.pageEvent(ev)
 	case "DOM":
-		t.domEvent(ctxt, ev)
+		t.domEvent(ev)
 	}
 	return nil
 }
@@ -194,7 +194,7 @@ func (t *Target) documentUpdated(ctxt context.Context) {
 var emptyObj = easyjson.RawMessage([]byte(`{}`))
 
 // pageEvent handles incoming page events.
-func (t *Target) pageEvent(ctxt context.Context, ev interface{}) {
+func (t *Target) pageEvent(ev interface{}) {
 	var id cdp.FrameID
 	var op frameOp
 
@@ -245,7 +245,7 @@ func (t *Target) pageEvent(ctxt context.Context, ev interface{}) {
 }
 
 // domEvent handles incoming DOM events.
-func (t *Target) domEvent(ctxt context.Context, ev interface{}) {
+func (t *Target) domEvent(ev interface{}) {
 	f := t.cur
 
 	var id cdp.NodeID

query_test.go

@@ -898,7 +898,7 @@ func TestFileUpload(t *testing.T) {
 	// create test server
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", func(res http.ResponseWriter, req *http.Request) {
-		fmt.Fprintf(res, uploadHTML)
+		fmt.Fprintf(res, "%s", uploadHTML)
 	})
 	mux.HandleFunc("/upload", func(res http.ResponseWriter, req *http.Request) {
 		f, _, err := req.FormFile("upload")

sel.go

@@ -115,16 +115,6 @@ func (s *Selector) selAsString() string {
 	return fmt.Sprintf("%s", s.sel)
 }
 
-// selAsInt forces sel into a int.
-/*func (s *Selector) selAsInt() int {
-	sel, ok := s.sel.(int)
-	if !ok {
-		panic("selector must be int")
-	}
-
-	return sel
-}*/
-
 // QueryAfter is an action that will match the specified sel using the supplied
 // query options, and after the visibility conditions of the query have been
 // met, will execute f.

util.go

@@ -37,9 +37,9 @@ func frameDetached(f *cdp.Frame) {
 	clearFrameState(f, cdp.FrameAttached)
 }
 
-func frameStartedLoading(f *cdp.Frame) {
+/*func frameStartedLoading(f *cdp.Frame) {
 	setFrameState(f, cdp.FrameLoading)
-}
+}*/
 
 func frameStoppedLoading(f *cdp.Frame) {
 	clearFrameState(f, cdp.FrameLoading)