Remove overrides folder.

DEPS

 # This file contains dependencies for WebRTC that are not shared with Chromium.
 # If you wish to add a dependency that is present in Chromium's src/DEPS or a
 # directory from the Chromium checkout, you should add it to setup_links.py
 # instead.
 
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
   'chromium_revision': '8cf53d6715889128e790939ce36e827071984a40',
 }
@@ skipping 28 matching lines @@
   '+libyuv',
   '+net',
   '+talk',
   '+testing',
   '+third_party',
   '+unicode',
   '+webrtc',
   '+vpx',
 ]
 
-# checkdeps.py shouldn't check include paths for files in these dirs:
-skip_child_includes = [
-  'webrtc/overrides',
-]
-
 hooks = [
   {
     # Check for legacy named top-level dir (named 'trunk').
     'name': 'check_root_dir_name',
     'pattern': '.',
     'action': ['python','-c',
                ('import os,sys;'
                 'script = os.path.join("trunk","check_root_dir.py");'
                 '_ = os.system("%s %s" % (sys.executable,script)) '
                 'if os.path.exists(script) else 0')],
@@ skipping 33 matching lines @@
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/webrtc/build/gyp_webrtc',
                Var('extra_gyp_flag')],
   },
 ]