roll gyp 1101:1103

1102: Lots of python style cleanups; let gyp-mac-tool use `/usr/bin/env python`.
1103: Add pylint presubmit check.

BUG=none
TEST=none
TBR=mark

Review URL: http://codereview.chromium.org/8822020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113272 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -103,7 +103,7 @@ deps = {
     (Var("googlecode_url") % "grit-i18n") + "/trunk@9",
 
   "src/tools/gyp":
-    (Var("googlecode_url") % "gyp") + "/trunk@1101",
+    (Var("googlecode_url") % "gyp") + "/trunk@1103",
 
   "src/v8":
     (Var("googlecode_url") % "v8") + "/branches/3.7@" + Var("v8_revision"),