Revert of [Mac] Shut down connections to WindowServer before engaging the sandbox.

content/renderer/renderer_main_platform_delegate_mac.mm

Index: content/renderer/renderer_main_platform_delegate_mac.mm
diff --git a/content/renderer/renderer_main_platform_delegate_mac.mm b/content/renderer/renderer_main_platform_delegate_mac.mm
index 4e36f81b65c80e1f6e55fe868e00b9cdc552cc52..98b0aa4d84a35b6ba10776155d93340923f2707f 100644
--- a/content/renderer/renderer_main_platform_delegate_mac.mm
+++ b/content/renderer/renderer_main_platform_delegate_mac.mm
@@ -17,11 +17,6 @@
 #include "content/common/sandbox_mac.h"
 #include "content/public/common/content_switches.h"
 #include "content/common/sandbox_init_mac.h"
-
-extern "C" {
-void CGSSetDenyWindowServerConnections(bool);
-void CGSShutdownServerConnections();
-};
 
 namespace content {
 
@@ -141,12 +136,6 @@
 }
 
 bool RendererMainPlatformDelegate::EnableSandbox() {
-  // Disconnect from WindowServer before entering the sandbox, after all
-  // objects have been warmed up. Shutting down the connection requires
-  // connecting to WindowServer, so do this before engaging the sandbox.
-  CGSSetDenyWindowServerConnections(true);
-  CGSShutdownServerConnections();
-
   // Enable the sandbox.
   bool sandbox_initialized = InitializeSandbox();