--- a/tools/gn/gn_main.cc   2015-11-12 11:49:56.260549036 +0000

+++ b/tools/gn/gn_main.cc   2015-11-12 11:50:14.780931485 +0000

@@ -12,13 +12,7 @@

 #include "tools/gn/standard_out.h"

 #include "tools/gn/switches.h"

-// Only the GN-generated build makes this header for now.

-// TODO(brettw) consider adding this if we need it in GYP.

-#if defined(GN_BUILD)

-#include "tools/gn/last_commit_position.h"

-#else

 #define LAST_COMMIT_POSITION "UNKNOWN"

-#endif

 namespace {

--- a/tools/gn/BUILD.gn 2015-11-12 11:50:43.513524769 +0000

+++ b/tools/gn/BUILD.gn 2015-11-12 11:50:57.697817632 +0000

@@ -263,7 +263,6 @@

   deps = [

     ":gn_lib",

-    ":last_commit_position",

     "//base",

     "//build/config/sanitizers:deps",

     "//build/win:default_exe_manifest",

​

​