GN: Implement is_lsan, is_tsan and is_msan.

build/config/compiler/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/chrome_build.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
 if (current_cpu == "mipsel" || current_cpu == "mips64el") {
@@ skipping 121 matching lines @@
 
     # Common options for AddressSanitizer, LeakSanitizer, ThreadSanitizer and
     # MemorySanitizer
     if (using_sanitizer) {
       cflags += [
         "-fno-omit-frame-pointer",
         "-gline-tables-only",
       ]
     }
     if (is_asan) {
-      cflags += [ "-fsanitize=address" ]
+      asan_blacklist_path = rebase_path(asan_blacklist, root_build_dir)
+      cflags += [
+        "-fsanitize=address",
+        "-fsanitize-blacklist=$asan_blacklist_path",
+      ]
       if (is_mac) {
         cflags += [ "-mllvm -asan-globals=0" ]  # http://crbug.com/352073
         # TODO(GYP): deal with mac_bundles.
       }
     }
+    if (is_lsan) {
+      cflags += [ "-fsanitize=leak" ]
+    }
+    if (is_tsan) {
+      tsan_blacklist_path = rebase_path(tsan_blacklist, root_build_dir)
+      cflags += [
+        "-fsanitize=thread",
+        "-fsanitize-blacklist=$tsan_blacklist_path",
+      ]
+    }
+    if (is_msan) {
+      msan_blacklist_path = rebase_path(msan_blacklist, root_build_dir)
+      cflags += [
+        "-fsanitize=memory",
+        "-fsanitize-memory-track-origins=$msan_track_origins",
+        "-fsanitize-blacklist=$msan_blacklist_path",
+      ]
+
+      # TODO(GYP): Support instrumented libraries and custom libc++.
+    }
   }
 
   if (is_clang && is_debug) {
     # Allow comparing the address of references and 'this' against 0
     # in debug builds. Technically, these can never be null in
     # well-defined C/C++ and Clang can optimize such checks away in
     # release builds, but they may be used in asserts in debug builds.
     cflags_cc += [
       "-Wno-undefined-bool-conversion",
       "-Wno-tautological-undefined-compare",
@@ skipping 942 matching lines @@
       cflags += [ "-gsplit-dwarf" ]
     }
   }
 }
 
 config("no_symbols") {
   if (!is_win) {
     cflags = [ "-g0" ]
   }
 }