Revert of Re-enable GN in the GYP build.

build/gyp_chromium

Index: build/gyp_chromium
diff --git a/build/gyp_chromium b/build/gyp_chromium
index 4bc114628b229e8c5544223226a2de358588d93d..34860c70ad0a9501243dcf9e68f30066104fe45d 100755
--- a/build/gyp_chromium
+++ b/build/gyp_chromium
@@ -13,7 +13,6 @@
 import pipes
 import shlex
 import subprocess
-import string
 import sys
 
 script_dir = os.path.dirname(os.path.realpath(__file__))
@@ -63,15 +62,6 @@
   return glob.glob(os.path.join(chrome_src, '*', 'supplement.gypi'))
 
 
-def FormatKeyForGN(key):
-  """Returns the given GYP key reformatted for GN.
-
-  GYP dictionary keys can be almost anything, but in GN they are identifiers
-  and must follow the same rules. This reformats such keys to be valid GN
-  identifiers."""
-  return ''.join([c if c in string.ascii_letters else '_' for c in key])
-
-
 def GetVarsStringForGN(supplemental_files):
   vars_dict = {}
 
@@ -91,7 +81,7 @@
   for item in items:
     tokens = item.split('=', 1)
     # Some GYP variables have hyphens, which we don't support.
-    key = FormatKeyForGN(tokens[0])
+    key = tokens[0].replace("-", "_")
     if len(tokens) == 2:
       # Escape $ characters which have special meaning to GN.
       vars_dict[key] = '"' + tokens[1].replace("$", "\\$") + '"'
@@ -216,8 +206,10 @@
 
   supplemental_includes = GetSupplementalFiles()
 
-  if not RunGN(supplemental_includes):
-    sys.exit(1)
+  # Temporarily disabled until it is debugged.
+  # TODO(brettw) re-enable this code.
+  #if not RunGN(supplemental_includes):

[Nico, 2013/12/05 16:50:37]

This change is enough to revert. Please undo the other changes.

+  #  sys.exit(1)
 
   args.extend(
       ['-I' + i for i in additional_include_files(supplemental_includes, args)])