ui: Add a libfuzzer based fuzzer for EDID parser

ui/display/util/edid_parser_fuzzer.cc

Index: ui/display/util/edid_parser_fuzzer.cc
diff --git a/ui/display/util/edid_parser_fuzzer.cc b/ui/display/util/edid_parser_fuzzer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..17367831e0be0791b1e76f8607fd65a694e46054
--- /dev/null
+++ b/ui/display/util/edid_parser_fuzzer.cc
@@ -0,0 +1,28 @@
+// 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.
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <vector>
+
+#include "ui/display/util/edid_parser.h"
+#include "ui/gfx/geometry/size.h"
+
+// Entry point for LibFuzzer.
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  std::vector<uint8_t> edid;
+  edid.assign(data, data + size);
+  uint16_t manufacturer_id, product_code;
+  std::string human_readable_name;
+  gfx::Size active_pixel_size, physical_display_size;
+  bool overscan;
+
+  ui::ParseOutputDeviceData(edid, &manufacturer_id, &product_code,
+                            &human_readable_name, &active_pixel_size,
+                            &physical_display_size);
+
+  ui::ParseOutputOverscanFlag(edid, &overscan);
+  return 0;
+}