Cronet for iOS with C API for GRPC support.

components/cronet/tools/cr_cronet.py

Index: components/cronet/tools/cr_cronet.py
diff --git a/components/cronet/tools/cr_cronet.py b/components/cronet/tools/cr_cronet.py
index 56cc74ee4d0cbd96572cd050292e1d976835f0e0..4c84a3ec4703f5ac33cab58ffb6ee36fea8dafdf 100755
--- a/components/cronet/tools/cr_cronet.py
+++ b/components/cronet/tools/cr_cronet.py
@@ -11,6 +11,14 @@ import argparse
 import os
 import sys
 
+target_os = 'android'
+test_target = 'cronet_test_instrumentation_apk'
+out_dir_suffix = ''
+
+if (sys.platform == 'darwin'):
+  target_os = 'ios'
+  test_target = 'cronet_test'
+  out_dir_suffix = '-iphonesimulator'
 
 def run(command, extra_options=''):
   command = command + ' ' + extra_options
@@ -19,7 +27,7 @@ def run(command, extra_options=''):
 
 
 def build(out_dir, extra_options=''):
-  return run('ninja -C ' + out_dir + ' cronet_test_instrumentation_apk',
+  return run('ninja -C ' + out_dir + ' ' + test_target,
              extra_options)
 
 
@@ -34,6 +42,8 @@ def test(release_arg, extra_options):
              ' --fast-local-dev',
              extra_options)
 
+def test_ios(out_dir, extra_options):
+  return run(out_dir + '/iossim ' + out_dir + '/cronet_test.app', extra_options)
 
 def debug(extra_options):
   return run('build/android/adb_gdb --start ' + \
@@ -76,7 +86,7 @@ def main():
       'disable_file_support=true disable_ftp_support=true '+ \
       'use_errorprone_java_compiler=true use_platform_icu_alternatives=true '+ \
       'disable_brotli_filter=true'
-  out_dir = 'out/Debug'
+  out_dir = 'out/Debug' + out_dir_suffix
   release_arg = ''
   extra_options = ' '.join(extra_options_list)
   if options.release:
@@ -96,8 +106,10 @@ def main():
     return install(release_arg)
   if (options.command=='proguard'):
     return run ('ninja -C ' + out_dir + ' cronet_sample_proguard_apk')
-  if (options.command=='test'):
+  if (options.command=='test' and target_os == 'android'):
     return install(release_arg) or test(release_arg, extra_options)
+  if (options.command=='test' and target_os == 'ios'):
+    return test_ios(out_dir, extra_options)
   if (options.command=='build-test'):
     return build(out_dir) or install(release_arg) or \
         test(release_arg, extra_options)