Build libFuzzer fuzzer targets on Windows for use_drfuzz

testing/libfuzzer/fuzzers/BUILD.gn

 # Copyright 2015 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.
 
 # Individual libfuzzer tests that didn't find their home yet.
 
 import("//build/config/features.gni")
 import("//media/media_options.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
@@ skipping 264 matching lines @@
 
 fuzzer_test("unicode_string_codepage_create_fuzzer") {
   sources = [
     "unicode_string_codepage_create_fuzzer.cc",
   ]
   deps = [
     "//third_party/icu",
   ]
 }
 
-fuzzer_test("libexif_parser_fuzzer") {
-  sources = [
-    "libexif_parser_fuzzer.cc",
-  ]
-  deps = [
-    "//third_party/libexif:libexif_fuzzers",
-  ]
+if (is_linux) {
+  # libexif_fuzzer is linux only atm

[Dirk Pranke, 2016/01/25 20:37:36]

do you expect this to be not-linux-only at some point? If not, I'd probably drop
the comment here as well.

+  fuzzer_test("libexif_parser_fuzzer") {
+    sources = [
+      "libexif_parser_fuzzer.cc",
+    ]
+    deps = [
+      "//third_party/libexif:libexif_fuzzers",
+    ]
+  }
 }
 
 fuzzer_test("libpng_read_fuzzer") {
   sources = [
     "libpng_read_fuzzer.cc",
   ]
   deps = [
     "//base",
     "//third_party/libpng",
   ]
 }