Provide an iOS message pump for IO implementation.

base/base.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 176 matching lines @@
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/CoreFoundation.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreGraphics.framework',
               '$(SDKROOT)/System/Library/Frameworks/CoreText.framework',
               '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
               '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
             ],
           },
         }],
-        ['OS != "win"', {
+        ['OS != "win" and OS != "ios"', {
             'dependencies': ['../third_party/libevent/libevent.gyp:libevent'],
         },],
         ['component=="shared_library"', {
           'conditions': [
             ['OS=="win"', {
               'sources!': [
                 'debug/debug_on_start_win.cc',
               ],
             }],
           ],
@@ skipping 12 matching lines @@
         'linux_util.cc',
         'linux_util.h',
         'md5.cc',
         'md5.h',
         'message_pump_android.cc',
         'message_pump_android.h',
         'message_pump_glib.cc',
         'message_pump_glib.h',
         'message_pump_gtk.cc',
         'message_pump_gtk.h',
+        'message_pump_io_ios.cc',
+        'message_pump_io_ios.h',
         'message_pump_observer.h',
         'message_pump_aurax11.cc',
         'message_pump_aurax11.h',
         'message_pump_libevent.cc',
         'message_pump_libevent.h',
         'message_pump_mac.h',
         'message_pump_mac.mm',
         'metrics/field_trial.cc',
         'metrics/field_trial.h',
         'posix/file_descriptor_shuffle.cc',
@@ skipping 234 matching lines @@
         'memory/scoped_ptr_unittest.cc',
         'memory/scoped_ptr_unittest.nc',
         'memory/scoped_vector_unittest.cc',
         'memory/singleton_unittest.cc',
         'memory/weak_ptr_unittest.cc',
         'memory/weak_ptr_unittest.nc',
         'message_loop_proxy_impl_unittest.cc',
         'message_loop_proxy_unittest.cc',
         'message_loop_unittest.cc',
         'message_pump_glib_unittest.cc',
+        'message_pump_io_ios_unittest.cc',
         'message_pump_libevent_unittest.cc',
         'metrics/sample_map_unittest.cc',
         'metrics/sample_vector_unittest.cc',
         'metrics/bucket_ranges_unittest.cc',
         'metrics/field_trial_unittest.cc',
         'metrics/histogram_unittest.cc',
         'metrics/sparse_histogram_unittest.cc',
         'metrics/stats_table_unittest.cc',
         'metrics/statistics_recorder_unittest.cc',
         'observer_list_unittest.cc',
@@ skipping 112 matching lines @@
             'debug/stack_trace_unittest.cc',
           ],
         }],
         ['OS == "ios"', {
           'sources/': [
             # Only test the iOS-meaningful portion of process_utils.
             ['exclude', '^process_util_unittest'],
             ['include', '^process_util_unittest_ios\\.cc$'],
             # Requires spawning processes.
             ['exclude', '^metrics/stats_table_unittest\\.cc$'],
+            # iOS does not use message_pump_libevent.
+            ['exclude', '^message_pump_libevent_unittest\\.cc$'],
             # TODO(ios): Remove these as base/ is unforked.
-            # For now, exclude everything that doesn't build as-is, just to
-            # get a minimal target building.
+            # For now, exclude everything that doesn't build as-is, just to get
+            # a minimal target building.
             # Unittests that don't pass.
             ['exclude', '^message_loop_unittest\\.cc$'],
           ],
           'conditions': [
             ['coverage != 0', {
               'sources!': [
                 # These sources can't be built with coverage due to a toolchain
                 # bug: http://openradar.appspot.com/radar?id=1499403
                 'json/json_reader_unittest.cc',
                 'string_piece_unittest.cc',
@@ skipping 470 matching lines @@
             'base_unittests.isolate',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }