BSD port changes for base/ (OS_POSIX/GTK instead of OS_LINUX...

base/linux_util.cc

Index: base/linux_util.cc
===================================================================
--- base/linux_util.cc	(revision 41069)
+++ base/linux_util.cc	(working copy)
@@ -201,7 +201,7 @@
 std::string GetLinuxDistro() {
 #if defined(OS_CHROMEOS)
   return linux_distro;
-#else  // if defined(OS_LINUX)
+#elif defined(OS_LINUX)
   LinuxDistroHelper* distro_state_singleton = LinuxDistroHelper::Get();
   LinuxDistroState state = distro_state_singleton->State();
   if (STATE_DID_NOT_CHECK == state) {
@@ -231,6 +231,8 @@
     // In STATE_CHECK_FINISHED, no more writing to |linux_distro|.
     return linux_distro;
   }
+#else
+  NOTIMPLEMENTED();
 #endif
 }