enable leakless (#1426)

* enable leakless

* comment out chrome pid kill code

* make comment more clear

runner/headless.go

@@ -11,7 +11,6 @@ import (
 	"github.com/pkg/errors"
 	fileutil "github.com/projectdiscovery/utils/file"
 	osutils "github.com/projectdiscovery/utils/os"
-	processutil "github.com/projectdiscovery/utils/process"
 )
 
 // MustDisableSandbox determines if the current os and user needs sandbox mode disabled
@@ -24,7 +23,10 @@ func MustDisableSandbox() bool {
 type Browser struct {
 	tempDir string
 	engine  *rod.Browser
-	pids    map[int32]struct{}
+	// TODO: Remove the Chrome PID kill code in favor of using Leakless(true).
+	// This change will be made if there are no complaints about zombie Chrome processes.
+	// Reference: https://github.com/projectdiscovery/httpx/pull/1426
+	// pids    map[int32]struct{}
 }
 
 func NewBrowser(proxy string, useLocal bool) (*Browser, error) {
@@ -33,10 +35,10 @@ func NewBrowser(proxy string, useLocal bool) (*Browser, error) {
 		return nil, errors.Wrap(err, "could not create temporary directory")
 	}
 
-	pids := processutil.FindProcesses(processutil.IsChromeProcess)
+	// pids := processutil.FindProcesses(processutil.IsChromeProcess)
 
 	chromeLauncher := launcher.New().
-		Leakless(false).
+		Leakless(true).
 		Set("disable-gpu", "true").
 		Set("ignore-certificate-errors", "true").
 		Set("ignore-certificate-errors", "1").
@@ -85,7 +87,7 @@ func NewBrowser(proxy string, useLocal bool) (*Browser, error) {
 	engine := &Browser{
 		tempDir: dataStore,
 		engine:  browser,
-		pids:    pids,
+		// pids:    pids,
 	}
 	return engine, nil
 }
@@ -125,5 +127,5 @@ func (b *Browser) ScreenshotWithBody(url string, timeout time.Duration) ([]byte,
 func (b *Browser) Close() {
 	b.engine.Close()
 	os.RemoveAll(b.tempDir)
-	processutil.CloseProcesses(processutil.IsChromeProcess, b.pids)
+	// processutil.CloseProcesses(processutil.IsChromeProcess, b.pids)
 }