third_party: Add libevdev and gestures.

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 419 matching lines @@
       Var('chromium_git') + '/chromiumos/third_party/libdrm.git' + '@' + '0ce18bedd3e62d4784fa755403801934ba171084',
 
     # Display server protocol for Linux.
     'src/third_party/wayland/src':
       Var('chromium_git') + '/external/anongit.freedesktop.org/git/wayland/wayland.git' + '@' + '6a18a87727c64719c68168568b9ab1e4d7c2d9c1',
 
     # Wayland protocols that add functionality not available in the core protocol.
     'src/third_party/wayland-protocols/src':
       Var('chromium_git') + '/external/anongit.freedesktop.org/git/wayland/wayland-protocols.git' + '@' + '2e541a36deff5f2e16e25e27f7f93d26822eecc2',
 
+    # The libevdev library (ChromeOS version).
+    'src/third_party/libevdev/src':
+      Var('chromium_git') + '/chromiumos/platform/libevdev.git' + '@' + '9f7a1961eb4726211e18abd147d5a11a4ea86744',
+
+    # ChromeOS touchpad gestures library.

[Daniel Kurtz, 2017/01/10 03:22:01]

tiny nit: "Chrome OS"  (as in the Wireless Display Software line below).

[reveman, 2017/01/10 04:11:53]

Done.

+    'src/third_party/gestures/gestures':
+      Var('chromium_git') + '/chromiumos/platform/gestures.git' + '@' + '5a656849c7d2b0d0ddbe0ac6d300c1e2fada0bb4',
+
     # Wireless Display Software. Used on Chrome OS.
     'src/third_party/wds/src':
       Var('chromium_git') + '/external/github.com/01org/wds' + '@' + 'ac3d8210d95f3000bf5c8e16a79dbbbf22d554a5',
 
     # gRPC, an RPC framework. For Blimp use only.
     'src/third_party/grpc':
       Var('chromium_git') + '/external/github.com/grpc/grpc' + '@' + '5945dfa700a0566be7ea6691cc8a86ecb4a53924',
 
     # DevTools node modules. Used on Linux buildbots only.
     'src/third_party/WebKit/Source/devtools/devtools-node-modules':
@@ skipping 646 matching lines @@
 ]
 
 recursedeps = [
   # buildtools provides clang_format, libc++, and libc++abi
   'src/buildtools',
   # android_tools manages the NDK.
   'src/third_party/android_tools',
   # ANGLE manages DEPS that it also owns the build files for, such as dEQP.
   ("src/third_party/angle", "DEPS.chromium"),
 ]