Adds the OCHamcrest 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 321 matching lines @@
      Var('chromium_git') + '/chromium/deps/nacl_sdk_binaries.git' + '@' + '759dfca03bdc774da7ecbf974f6e2b84f43699a5',
 
     # ANGLE uses dEQP for GPU testing
     'src/third_party/deqp/src':
      Var('deqp_url') + '@' + Var('deqp_revision'),
   },
   'ios': {
     'src/ios/third_party/gcdwebserver/src':
      Var('chromium_git') + '/external/github.com/swisspol/GCDWebServer.git' + '@' + '3d5fd0b8281a7224c057deb2d17709b5bea64836',
 
+    'src/ios/third_party/ochamcrest/src':
+     Var('chromium_git') + '/external/github.com/hamcrest/OCHamcrest.git' + '@' + '5b50930c66d1e537918a87eef0943d6750729dc5',
+
     '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'),
 
     'src/third_party/nss':
      Var('chromium_git') + '/chromium/deps/nss.git' + '@' + Var('nss_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 481 matching lines @@
         'src/tools',
     ],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/build/gyp_chromium'],
   },
 ]