Add src-side configs for clang ToTWinASanLibfuzzer builder.

Bug: 903078
Change-Id: I30666c534644b6ccf4909456b50a47d510abff4a
Reviewed-on: https://chromium-review.googlesource.com/c/1327147Reviewed-by: Reid Kleckner <rnk@chromium.org>
Reviewed-by: Jonathan Metzman <metzman@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607093}

infra/config/global/cr-buildbucket.cfg

@@ -1731,6 +1731,11 @@ buckets {
       mixins: "clang-ci"
       mixins: "win"
     }
+    builders {
+      name: "ToTWinASanLibfuzzer"
+      mixins: "clang-ci"
+      mixins: "win"
+    }
     builders {
       name: "ToTWinCFI"
       mixins: "clang-ci"

infra/config/global/luci-milo.cfg

@@ -1973,6 +1973,11 @@ consoles {
     category: "ToT Windows|x64"
     short_name: "dll"
   }
+  builders {
+    name: "buildbucket/luci.chromium.ci/ToTWinASanLibfuzzer"
+    category: "ToT Windows|x64"
+    short_name: "fuz"
+  }
   builders {
     name: "buildbot/chromium.clang/ToTWinThinLTO64"
     name: "buildbucket/luci.chrome.ci/ToTWinThinLTO64"

infra/config/global/luci-scheduler.cfg

@@ -234,6 +234,7 @@ trigger {
   triggers: "ToTWin(dll)"
   triggers: "ToTWin64(dbg)"
   triggers: "ToTWin64(dll)"
+  triggers: "ToTWinASanLibfuzzer"
   triggers: "ToTWinCFI"
   triggers: "ToTWinCFI64"
   triggers: "ToTWinLibcxx64"
@@ -4503,6 +4504,16 @@ job {
   }
 }
 
+job {
+  id: "ToTWinASanLibfuzzer"
+  acl_sets: "default"
+  buildbucket {
+    server: "cr-buildbucket.appspot.com"
+    bucket: "luci.chromium.ci"
+    builder: "ToTWinASanLibfuzzer"
+  }
+}
+
 job {
   id: "ToTWinCFI"
   acl_sets: "default"

tools/mb/mb_config.pyl

@@ -146,6 +146,7 @@
       'ToTWin64': 'clang_tot_official_minimal_symbols_static_release',
       'ToTWin64(dbg)': 'clang_tot_shared_debug',
       'ToTWin64(dll)': 'clang_tot_shared_release_dcheck',
+      'ToTWinASanLibfuzzer': 'libfuzzer_windows_asan_clang_tot_release_bot',
       'ToTWinCFI': 'clang_tot_win_cfi_full_cfi_diag_thin_lto_release_static_dcheck_always_on_x86',
       'ToTWinCFI64': 'clang_tot_win_cfi_full_cfi_diag_thin_lto_release_static_dcheck_always_on',
       'ToTWinLibcxx64': 'clang_tot_official_optimize_minimal_symbols_static_release_libcxx',
@@ -1449,6 +1450,9 @@
     'libfuzzer_windows_asan_release_bot': [
       'libfuzzer', 'asan', 'release_bot', 'chrome_with_codecs', 'pdf_xfa', 'disable_nacl', 'minimal_symbols',
     ],
+    'libfuzzer_windows_asan_clang_tot_release_bot': [
+      'libfuzzer', 'asan', 'clang_tot', 'release_bot', 'chrome_with_codecs', 'pdf_xfa', 'disable_nacl', 'minimal_symbols',
+    ],
     'libfuzzer_windows_asan_release_trybot': [
       'libfuzzer', 'asan', 'release_trybot', 'chrome_with_codecs', 'pdf_xfa', 'disable_nacl', 'minimal_symbols',
     ],