Adds the Material Text Accessibility library to the iOS build.

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 328 matching lines @@
   'ios': {
     'src/ios/third_party/earl_grey/src':
      Var('chromium_git') + '/external/github.com/google/EarlGrey.git' + '@' + '090aa5fa68d4c422af4ee84912d30bc89a3e8820',
 
     'src/ios/third_party/fishhook/src':
      Var('chromium_git') + '/external/github.com/facebook/fishhook.git' + '@' + 'd172d5247aa590c25d0b1885448bae76036ea22c',
 
     'src/ios/third_party/gcdwebserver/src':
      Var('chromium_git') + '/external/github.com/swisspol/GCDWebServer.git' + '@' + '3d5fd0b8281a7224c057deb2d17709b5bea64836',
 
+    'src/ios/third_party/material_text_accessibility_ios/src':
+     Var('chromium_git') + '/external/github.com/google/material-text-accessibility-ios.git' + '@' + '5b7c4f6382d7241a05caf82e749abf5bc92faa86',
+
     'src/ios/third_party/ochamcrest/src':
      Var('chromium_git') + '/external/github.com/hamcrest/OCHamcrest.git' + '@' + 'd7ee4ecfb6bd13c3c8d364682b6228ccd86e1e1a',
 
     'src/third_party/google_toolbox_for_mac/src':
       Var('chromium_git') + '/external/github.com/google/google-toolbox-for-mac.git' + '@' + Var('google_toolbox_for_mac_revision'),
 
     # class-dump utility to generate header files for undocumented SDKs
     'src/third_party/class-dump/src':
      Var('chromium_git') + '/external/github.com/nygard/class-dump.git' + '@' + '978d177ca6f0d2e5e34acf3e8dadc63e3140ebbc',
   },
@@ skipping 642 matching lines @@
     'name': 'doclava',
     'pattern': '.',
     'action': ['python',
                'src/build/android/download_doclava.py',
     ],
   },
 ]
 
 # ANGLE manages DEPS that it also owns the build files for, such as dEQP.
 recursedeps = [("src/third_party/angle", "DEPS.chromium")]