Add GIF, BMP, JPEG and TIFF XFA fuzzers

testing/libfuzzer/pdf_codec_tiff_fuzzer.cc

Index: testing/libfuzzer/pdf_codec_tiff_fuzzer.cc
diff --git a/testing/libfuzzer/pdf_codec_tiff_fuzzer.cc b/testing/libfuzzer/pdf_codec_tiff_fuzzer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7b335e95dbf05739a4b4681468af16f89d86efc3
--- /dev/null
+++ b/testing/libfuzzer/pdf_codec_tiff_fuzzer.cc
@@ -0,0 +1,9 @@
+// Copyright 2016 The PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "testing/libfuzzer/xfa_codec_fuzzer.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  return XFACodecFuzzer::fuzz(data, size, FXCODEC_IMAGE_TIF);
+}