GetSandboxHelperPid  210 chrome/browser/memory_details.cc       content::ZygoteHost::GetInstance()->GetSandboxHelperPid();
GetSandboxHelperPid   58 content/browser/zygote_host/zygote_host_impl_linux.h   virtual pid_t GetSandboxHelperPid() const OVERRIDE;
GetSandboxHelperPid   30 content/public/browser/zygote_host_linux.h   virtual pid_t GetSandboxHelperPid() const = 0;