[Hunspell Fuzzer] Restrict fuzzer data to valid UTF8

third_party/hunspell/BUILD.gn

 # Copyright 2014 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("//testing/libfuzzer/fuzzer_test.gni")
 
 config("hunspell_config") {
   defines = [
     "HUNSPELL_STATIC",
     "HUNSPELL_CHROME_CLIENT",
@@ skipping 101 matching lines @@
   }
 }
 
 fuzzer_test("hunspell_fuzzer") {
   sources = [
     "fuzz/hunspell_fuzzer.cc",
     "fuzz/hunspell_fuzzer_hunspell_dictionary.h",
   ]
   deps = [
     ":hunspell",
+    "//base:base",
   ]
 
   # This is a dictionary for the fuzzer, not a spellcheck dictionary.
   dict = "fuzz/hunspell.dict"
 }