Remove flag --test-sandbox

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 6ff65e8562282fa18bdb5db859f61a945f7cc3fb..c473692121319d44ee529092cb81637e9edeeaa3 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -818,9 +818,6 @@ const char kTabCaptureUpscaleQuality[]      = "tab-capture-upscale-quality";
 const char kTestingFixedHttpPort[]          = "testing-fixed-http-port";
 const char kTestingFixedHttpsPort[]         = "testing-fixed-https-port";
 
-// Runs the security test for the renderer sandbox.
-const char kTestSandbox[]                   = "test-sandbox";
-
 // Type of the current test harness ("browser" or "ui").
 const char kTestType[]                      = "test-type";