linux: enable seccomp sandbox by default

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 0f41903d24dee2e928a228be71bd1377e84d751b..76ea9e6b3076045d10f15802720bddfec6b51d4c 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -266,8 +266,8 @@ const char kEnablePrivacyBlacklists[]       = "enable-privacy-blacklists";
 // http://b/issue?id=1432077 is fixed.
 const char kEnableRendererAccessibility[]   = "enable-renderer-accessibility";
 
-// Enable the seccomp sandbox (Linux only)
-const char kEnableSeccompSandbox[]          = "enable-seccomp-sandbox";
+// Disable the seccomp sandbox (Linux only)
+const char kDisableSeccompSandbox[]         = "disable-seccomp-sandbox";
 
 // Enable session storage.  Still buggy.
 const char kEnableSessionStorage[]          = "enable-session-storage";