Disable GN.

DEPS

 # This file is automatically processed to create .DEPS.git which is the file
 # that gclient uses under git.
 #
 # See http://code.google.com/p/chromium/wiki/UsingGit
 #
 # To test manually, run:
 #   python tools/deps2git/deps2git.py -o .DEPS.git
 #   gclient runhooks
 # DO NOT CHECK IN CHANGES TO .DEPS.git. It will be automatically updated by
 # a bot when you modify this one.
@@ skipping 648 matching lines @@
   },
   {
     # Update LASTCHANGE.blink. This is also run by export_tarball.py in
     # src/tools/export_tarball - please keep them in sync.
     "name": "lastchange",
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
                "-s", "src/third_party/WebKit",
                "-o", "src/build/util/LASTCHANGE.blink"],
   },
-  # Pull GN binaries. This needs to be before running GYP below.
-  {
-    "name": "gn_win",
-    "pattern": "src/tools/gn/bin/win/gn.exe.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=win32",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/win/gn.exe.sha1",
-    ],
-  },
-  {
-    "name": "gn_mac",
-    "pattern": "src/tools/gn/bin/mac/gn.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=darwin",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/mac/gn.sha1",
-    ],
-  },
-  {
-    "name": "gn_linux",
-    "pattern": "src/tools/gn/bin/linux/gn.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=linux*",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/linux/gn.sha1",
-    ],
-  },
-  {
-    "name": "gn_linux32",
-    "pattern": "src/tools/gn/bin/linux/gn32.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=linux*",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/linux/gn32.sha1",
-    ],
-  },
   # Pull clang-format binaries using checked-in hashes.
   {
     "name": "clang_format_win",
     "pattern": "src/third_party/clang_format/bin/win/clang-format.exe.sha1",
     "action": [ "download_from_google_storage",
                 "--no_resume",
                 "--platform=win32",
                 "--no_auth",
                 "--bucket", "chromium-clang-format",
                 "-s", "src/third_party/clang_format/bin/win/clang-format.exe.sha1",
@@ skipping 33 matching lines @@
                 "-s", "src/build/linux/bin/eu-strip.sha1",
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "name": "gyp",
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]