Initialize ICU before running any of the //net fuzzers.

net/ftp/ftp_directory_listing_fuzzer.cc

Index: net/ftp/ftp_directory_listing_fuzzer.cc
diff --git a/net/ftp/ftp_directory_listing_fuzzer.cc b/net/ftp/ftp_directory_listing_fuzzer.cc
index af99891f39e295f3d1ba6e7d16c4b039fbb21866..459379e3eef89b0fcdb7173cbad9360a8c195fe2 100644
--- a/net/ftp/ftp_directory_listing_fuzzer.cc
+++ b/net/ftp/ftp_directory_listing_fuzzer.cc
@@ -8,20 +8,9 @@
 #include <string>
 #include <vector>
 
-#include "base/at_exit.h"
-#include "base/i18n/icu_util.h"
 #include "base/time/time.h"
 #include "net/ftp/ftp_directory_listing_parser.h"
 
-struct TestCase {
-  TestCase() { CHECK(base::i18n::InitializeICU()); }
-
-  // used by ICU integration.
-  base::AtExitManager at_exit_manager;
-};
-
-TestCase* test_case = new TestCase();
-
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   std::string buffer(reinterpret_cast<const char*>(data), size);