Roll gyp from r1684 to r1765.

dw/DEPS

Index: dw/DEPS
===================================================================
--- dw/DEPS	(revision 11883)
+++ dw/DEPS	(working copy)
@@ -14,7 +14,7 @@
   "third_party/externals/angle" : "https://chromium.googlesource.com/external/angleproject.git@e574e26f48223a6718feab841b4a7720785b497a",
   "third_party/externals/fontconfig" : "https://skia.googlesource.com/third_party/fontconfig.git@2.10.93",
   "third_party/externals/freetype" : "https://skia.googlesource.com/third_party/freetype2.git@VER-2-5-0-1",
-  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@e5179456241c17cb6cdd106e4744882d32081df5",
+  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@0635a6e266eb4cdd01e942331997f76b3737be79",
   "third_party/externals/iconv" : "https://skia.googlesource.com/third_party/libiconv.git@v1.14",
   "third_party/externals/libjpeg" : "https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@82ce8a6d4ebe12a177c0c3597192f2b4f09e81c3",
   "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/jsoncpp/jsoncpp.git@ab1e40f3bce061ea6f9bdc60351d6cde2a4f872b",