Add XFA pdfium fuzzer

pdf/pdfium/fuzzers/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.
 
 # PDFium fuzzers.
 
 import("//third_party/pdfium/pdfium.gni")
 import("//testing/test.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 group("fuzzers") {
 }
 
 fuzzer_test("pdfium_fuzzer") {
   sources = [
     "pdfium_fuzzer.cc",
+    "pdfium_fuzzer_helper.cc",
+    "pdfium_fuzzer_helper.h",
   ]
   deps = [
     "//third_party/pdfium",
     "//third_party/pdfium:test_support",
     "//v8",
     "//v8:v8_libplatform",
   ]
   additional_configs = [
     "//third_party/pdfium:pdfium_core_config",
     "//v8:external_startup_data",
   ]
   dict = "dicts/pdf.dict"
+  seed_corpus = "src/third_party/pdfium/test"
 }
 
 fuzzer_test("pdf_cmap_fuzzer") {
   sources = []
   deps = [
     "//third_party/pdfium/testing/libfuzzer:pdf_cmap_fuzzer",
   ]
 }
 
 fuzzer_test("pdf_codec_a85_fuzzer") {
@@ skipping 135 matching lines @@
     dict = "dicts/pdf_xml.dict"
   }
 
   fuzzer_test("pdf_cfx_saxreader_fuzzer") {
     sources = []
     deps = [
       "//third_party/pdfium/testing/libfuzzer:pdf_cfx_saxreader_fuzzer",
     ]
     dict = "dicts/pdf_xml.dict"
   }
+
+  fuzzer_test("pdfium_xfa_fuzzer") {
+    sources = [
+      "pdfium_fuzzer_helper.cc",
+      "pdfium_fuzzer_helper.h",
+      "pdfium_xfa_fuzzer.cc",
+    ]
+    deps = [
+      "//third_party/pdfium",
+      "//third_party/pdfium:test_support",
+      "//v8",
+      "//v8:v8_libplatform",
+    ]
+    additional_configs = [
+      "//third_party/pdfium:pdfium_core_config",
+      "//v8:external_startup_data",
+    ]
+    dict = "dicts/pdf.dict"
+    seed_corpus = "src/third_party/pdfium/test"
+  }
 }