Fix applying non-chromium patches to ios trybots

scripts/slave/recipes/ios/try.expected/icu_patch.json

Index: scripts/slave/recipes/ios/try.expected/icu_patch.json
diff --git a/scripts/slave/recipes/ios/try.expected/basic.json b/scripts/slave/recipes/ios/try.expected/icu_patch.json
similarity index 98%
copy from scripts/slave/recipes/ios/try.expected/basic.json
copy to scripts/slave/recipes/ios/try.expected/icu_patch.json
index d00ff27a00d7221e03789da77dd04c58eb2518ea..3ee7e051442bed3b7d527ab43204aeb5ceeb59b7 100644
--- a/scripts/slave/recipes/ios/try.expected/basic.json
+++ b/scripts/slave/recipes/ios/try.expected/icu_patch.json
@@ -35,7 +35,7 @@
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'custom_vars': {'googlecode_url': 'svn://svn-mirror.golo.chromium.org/%s', 'nacl_trunk': 'svn://svn-mirror.golo.chromium.org/native_client/trunk', 'sourceforge_url': 'svn://svn-mirror.golo.chromium.org/%(repo)s', 'webkit_trunk': 'svn://svn-mirror.golo.chromium.org/blink/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'src', 'url': 'svn://svn-mirror.golo.chromium.org/chrome/trunk/src'}, {'custom_deps': {'src/chrome/test/data/firefox2_profile/searchplugins': None, 'src/chrome/test/data/firefox2_searchplugins': None, 'src/chrome/test/data/firefox3_profile/searchplugins': None, 'src/chrome/test/data/firefox3_searchplugins': None, 'src/chrome/test/data/osdd': None, 'src/chrome/test/data/perf/frame_rate/private': None, 'src/chrome/test/data/plugin': None, 'src/chrome/test/data/ssl/certs': None, 'src/data/autodiscovery': None, 'src/data/esctf': None, 'src/data/mach_ports': None, 'src/data/memory_test': None, 'src/data/mozilla_js_tests': None, 'src/data/page_cycler': None, 'src/data/selenium_core': None, 'src/data/tab_switching': None, 'src/tools/grit/grit/test/data': None, 'src/webkit/data/bmp_decoder': None, 'src/webkit/data/ico_decoder': None, 'src/webkit/data/test_shell/plugins': None, 'src/webkit/data/xbm_decoder': None}, 'deps_file': 'DEPS', 'managed': True, 'name': 'src-internal', 'url': 'svn://svn-mirror.golo.chromium.org/chrome-internal/trunk/src-internal'}]\ntarget_os = ['ios']",
       "--root",
-      "src",
+      "src/third_party/icu",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\", \"src/buildtools\": \"got_buildtools_revision\", \"src/native_client\": \"got_nacl_revision\", \"src/third_party/angle\": \"got_angle_revision\", \"src/third_party/webrtc\": \"got_webrtc_revision\", \"src/tools/swarming_client\": \"got_swarming_client_revision\", \"src/v8\": \"got_v8_revision\"}",
       "--git-cache-dir",
@@ -48,6 +48,8 @@
       "/path/to/tmp/json",
       "--revision",
       "src@HEAD",
+      "--revision",
+      "src/third_party/icu@HEAD",
       "--force",
       "--output_manifest"
     ],
@@ -60,7 +62,8 @@
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"fixed_revisions\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"src\": \"HEAD\"@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"src\": \"HEAD\", @@@",
+      "@@@STEP_LOG_LINE@json.output@    \"src/third_party/icu\": \"HEAD\"@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"manifest\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"src\": {@@@",
@@ -93,7 +96,7 @@
       "@@@STEP_LOG_LINE@json.output@    }@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src/third_party/icu\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_angle_revision\": \"fac9503c46405f77757b9a728eb85b8d7bc6080c\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_angle_revision_cp\": \"refs/heads/master@{#297276}\", @@@",