Add 'CFI ThinLTO Linux ToT' buildbot (src part).

tools/mb/mb_config.pyl

 # Copyright 2015 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.
 
 # This is a .pyl, or "Python Literal", file. You can treat it just like a
 # .json file, with the following exceptions:
 # * all keys must be quoted (use single quotes, please);
 # * comments are allowed, using '#' syntax; and
 # * trailing commas are allowed.
 
@@ skipping 88 matching lines @@
       'Afl Upload Linux ASan': 'release_afl_asan',
       'Android Builder (dbg)': 'android_debug_static_bot',
       'Android Builder Goma Canary (dbg)': 'android_debug_bot',
       'Android deterministic': 'android_without_codecs_release_bot_minimal_symbols',
       'Android deterministic (dbg)': 'android_debug_bot',
       'Browser Side Navigation Linux': 'release_bot',
       'CFI Linux CF': 'cfi_full_cfi_diag_release_static',
       'CFI Linux ToT': 'cfi_full_clang_tot_release_static',
       'CFI Linux': 'cfi_release_static',
       'CFI Linux Full': 'cfi_full_release_static',
+      'CFI ThinLTO Linux ToT': 'cfi_thin_lto_clang_tot_full_symbols_release_static_use_lld',
       'Chromium Linux Goma Canary': 'release_bot',
       'Chromium Linux Goma Canary': 'release_bot',
       'Chromium Linux Goma Canary (clobber)': 'release_bot',
       'Chromium Linux Goma Canary LocalOutputCache': 'release_bot',
       'Chromium Linux Precise Goma LinkTest': 'release_bot',
       'Chromium Linux32 Goma Canary (clobber)': 'release_bot_x86',
       'Chromium Mac 10.10 MacViews': 'mac_views_browser_release_bot',
       'Chromium Mac 10.11': 'release_bot',
       'Chromium Mac 10.11 Force Mac Toolchain': 'release_bot_mac_hermetic',
       'Chromium Mac 10.9 Goma Canary': 'release_bot',
@@ skipping 884 matching lines @@
     ],
 
     'cfi_full_release_static_dcheck_always_on': [
       'cfi_full', 'release', 'static', 'dcheck_always_on',
     ],
 
     'cfi_release_static': [
       'cfi', 'release', 'static',
     ],
 
+    'cfi_thin_lto_clang_tot_full_symbols_release_static_use_lld': [
+      'cfi', 'thin_lto', 'clang_tot', 'full_symbols', 'release', 'static', 'use_lld',
+    ],
+
     'chrome_with_codecs_blink_logging_release_trybot': [
       'chrome_with_codecs', 'blink_logging', 'release_trybot',
     ],
 
     'chrome_with_codecs_blink_logging_release_trybot_x86': [
       'chrome_with_codecs', 'blink_logging', 'release_trybot', 'x86',
     ],
 
     'chromeos_asan_lsan_edge_fuzzer_v8_heap_release_bot': [
       'chromeos', 'asan', 'lsan', 'edge', 'fuzzer', 'v8_heap', 'release_bot',
@@ skipping 909 matching lines @@
 
     'x64': {
       'gn_args': 'target_cpu="x64"',
     },
 
     'x86': {
       'gn_args': 'target_cpu="x86"',
     },
   },
 }