Disable renderer sandbox.

app/atom_main_delegate.cc

@@ -4,7 +4,9 @@
 
 #include "app/atom_main_delegate.h"
 
+#include "base/command_line.h"
 #include "browser/atom_browser_client.h"
+#include "content/public/common/content_switches.h"
 #include "renderer/atom_renderer_client.h"
 
 namespace atom {
@@ -15,6 +17,14 @@ AtomMainDelegate::AtomMainDelegate() {
 AtomMainDelegate::~AtomMainDelegate() {
 }
 
+void AtomMainDelegate::PreSandboxStartup() {
+  brightray::MainDelegate::PreSandboxStartup();
+
+  // Disable renderer sandbox for most of node's functions.
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  command_line->AppendSwitch(switches::kNoSandbox);
+}
+
 content::ContentBrowserClient* AtomMainDelegate::CreateContentBrowserClient() {
   browser_client_.reset(new AtomBrowserClient);
   return browser_client_.get();

app/atom_main_delegate.h

@@ -14,6 +14,9 @@ class AtomMainDelegate : public brightray::MainDelegate {
   AtomMainDelegate();
   ~AtomMainDelegate();
 
+protected:
+  virtual void PreSandboxStartup() OVERRIDE;
+
  private:
   virtual content::ContentBrowserClient* CreateContentBrowserClient() OVERRIDE;
   virtual content::ContentRendererClient*