Add hooks to PDFium PostScript code

pdf/pdfium/fuzzers/BUILD.gn

Index: pdf/pdfium/fuzzers/BUILD.gn
diff --git a/pdf/pdfium/fuzzers/BUILD.gn b/pdf/pdfium/fuzzers/BUILD.gn
index 1300910bbfa6ec864265b77ba3bc044479f252b8..4636a39beafed91c2782f12b0bc80935d99a0d15 100644
--- a/pdf/pdfium/fuzzers/BUILD.gn
+++ b/pdf/pdfium/fuzzers/BUILD.gn
@@ -35,6 +35,13 @@ fuzzer_test("pdf_cmap_fuzzer") {
   ]
 }
 
+fuzzer_test("pdf_codec_a85_fuzzer") {
+  sources = []
+  deps = [
+    "//third_party/pdfium/testing/libfuzzer:pdf_codec_a85_fuzzer",
+  ]
+}
+
 fuzzer_test("pdf_codec_fax_fuzzer") {
   sources = []
   deps = [
@@ -42,6 +49,13 @@ fuzzer_test("pdf_codec_fax_fuzzer") {
   ]
 }
 
+fuzzer_test("pdf_codec_rle_fuzzer") {
+  sources = []
+  deps = [
+    "//third_party/pdfium/testing/libfuzzer:pdf_codec_rle_fuzzer",
+  ]
+}
+
 fuzzer_test("pdf_codec_icc_fuzzer") {
   sources = []
   deps = [