GN configs for ipc fuzzer.

tools/ipc_fuzzer/fuzzer/BUILD.gn

+# Copyright 2016 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/sanitizers/sanitizers.gni")
+
+executable("ipc_fuzzer") {
+  configs += [ "//tools/ipc_fuzzer:ipc_fuzzer_config" ]
+  sources = [
+    "fuzzer.cc",
+    "fuzzer.h",
+    "fuzzer_main.cc",
+    "generator.cc",
+    "generator.h",
+    "mutator.cc",
+    "mutator.h",
+    "rand_util.cc",
+    "rand_util.h",
+  ]
+  deps = [
+    "//tools/ipc_fuzzer/message_lib:ipc_message_lib",
+  ]
+  if (is_asan && is_chromeos) {
+    # Compiling fuzzer.cc with ASan takes too long, see
+    # http://crbug.com/360158.
+    config -= [ "//build/config/sanitizers:default_sanitizer_flags" ]
+  }
+}