Add Clang ToT builder for iOS

scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTiOS.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTiOS.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_iOS_Device__ninja_.json b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTiOS.json
similarity index 93%
copy from scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_iOS_Device__ninja_.json
copy to scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTiOS.json
index 07c063228839ce53db2017d9fd63a8a587cb4010..72d7f045ae0edf3a8ec2c0a1150c35a3a9703d0d 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_iOS_Device__ninja_.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTiOS.json
@@ -7,7 +7,7 @@
       "--master",
       "chromium.fyi",
       "--builder",
-      "Chromium iOS Device (ninja)",
+      "ClangToTiOS",
       "--slave",
       "TestSlavename",
       "--spec",
@@ -71,9 +71,10 @@
     "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_CROSSCOMPILE": "1",
-      "GYP_DEFINES": "OS=ios chromium_ios_signing=0 clang_xcode=0 component=static_library target_subarch=both",
+      "GYP_DEFINES": "OS=ios chromium_ios_signing=0 clang_use_chrome_plugins=0 clang_xcode=0 component=static_library werror=''",
       "GYP_GENERATORS": "ninja",
-      "GYP_GENERATOR_FLAGS": "xcode_project_version=3.2"
+      "GYP_GENERATOR_FLAGS": "xcode_project_version=3.2",
+      "LLVM_FORCE_HEAD_REVISION": "YES"
     },
     "name": "gclient runhooks"
   },
@@ -106,7 +107,7 @@
       "--paths",
       "{\"build\": \"[BUILD]\", \"checkout\": \"[SLAVE_BUILD]/src\"}",
       "--properties",
-      "{\"buildername\": \"Chromium iOS Device (ninja)\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"ios\"}"
+      "{\"buildername\": \"ClangToTiOS\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"ios\"}"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
@@ -139,6 +140,9 @@
       "All"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "LLVM_FORCE_HEAD_REVISION": "YES"
+    },
     "name": "compile"
   }
 ]