--- chromium-17.0.942.0.orig/third_party/webrtc/system_wrappers/source/cpu_info.cc
+++ chromium-17.0.942.0/third_party/webrtc/system_wrappers/source/cpu_info.cc
@@ -20,6 +20,7 @@
 #elif defined(WEBRTC_ANDROID)
 // Not implemented yet, might be possible to use Linux implementation
 #else // defined(WEBRTC_LINUX)
+#include <unistd.h>
 #include <sys/sysinfo.h>
 #endif