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",
-  ]
-  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"
+if (!pdf_enable_xfa) {
+  fuzzer_test("pdfium_fuzzer") {
+    sources = [
+      "pdfium_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"
+  }
 }
 
 fuzzer_test("pdf_cmap_fuzzer") {
   sources = []
   deps = [
     "//third_party/pdfium/testing/libfuzzer:pdf_cmap_fuzzer",
   ]
 }
 
 fuzzer_test("pdf_codec_a85_fuzzer") {
@@ skipping 55 matching lines @@
 }
 
 fuzzer_test("pdf_streamparser_fuzzer") {
   sources = []
   deps = [
     "//third_party/pdfium/testing/libfuzzer:pdf_streamparser_fuzzer",
   ]
 }
 
 if (pdf_enable_xfa) {
+  # If XFA is enabled in Chrome, this fuzzer becomes the same as the

[Lei Zhang, 2017/03/16 18:52:19]

Do you think it might be better to put this entry and pdfium_fuzzer entry in
their own separate if-else block?

[dsinclair, 2017/03/16 20:28:28]

Done.

+  # pdfium_fuzzer and can be removed.
+  fuzzer_test("pdfium_xfa_fuzzer") {
+    sources = [
+      "pdfium_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"
+  }
+
   fuzzer_test("pdf_codec_bmp_fuzzer") {
     sources = []
     deps = [
       "//third_party/pdfium/testing/libfuzzer:pdf_codec_bmp_fuzzer",
     ]
     seed_corpus = "corpora/pdf_codec_bmp"
   }
 
   fuzzer_test("pdf_codec_gif_fuzzer") {
     sources = []
@@ skipping 61 matching lines @@
   }
 
   fuzzer_test("pdf_cfx_saxreader_fuzzer") {
     sources = []
     deps = [
       "//third_party/pdfium/testing/libfuzzer:pdf_cfx_saxreader_fuzzer",
     ]
     dict = "dicts/pdf_xml.dict"
   }
 }