roll gyp 917:925

BUG=82230
TEST=none
TBR=mark

Review URL: http://codereview.chromium.org/7069003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86558 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -75,7 +75,7 @@ deps = {
     (Var("googlecode_url") % "snappy") + "/trunk@37",
 
   "src/tools/gyp":
-    (Var("googlecode_url") % "gyp") + "/trunk@917",
+    (Var("googlecode_url") % "gyp") + "/trunk@925",
 
   "src/v8":
     (Var("googlecode_url") % "v8") + "/trunk@" + Var("v8_revision"),