Added gyp build rules for brotli.

third_party/brotli/brotli.gyp

Index: third_party/brotli/brotli.gyp
diff --git a/third_party/brotli/brotli.gyp b/third_party/brotli/brotli.gyp
index 08fa2d6df3f1de9586f204dfbf2987c5ab85c30d..b80955fc63d825a5d6967ffa61292deca6a8e609 100644
--- a/third_party/brotli/brotli.gyp
+++ b/third_party/brotli/brotli.gyp
@@ -34,5 +34,68 @@
         }],
       ],
     },
+    {
+      'target_name': 'bro',
+      'type': 'executable',
+      'dependencies': [
+        'brotli',
+      ],
+      'sources': [
+        "enc/backward_references.cc",
+        "enc/backward_references.h",
+        "enc/bit_cost.h",
+        "enc/block_splitter.cc",
+        "enc/block_splitter.h",
+        "enc/brotli_bit_stream.cc",
+        "enc/brotli_bit_stream.h",
+        "enc/cluster.h",
+        "enc/command.h",
+        "enc/compress_fragment.cc",
+        "enc/compress_fragment.h",
+        "enc/compress_fragment_two_pass.cc",
+        "enc/compress_fragment_two_pass.h",
+        "enc/compressor.h",
+        "enc/context.h",
+        "enc/dictionary_hash.h",
+        "enc/encode.cc",
+        "enc/encode.h",
+        "enc/encode_parallel.cc",
+        "enc/encode_parallel.h",
+        "enc/entropy_encode.cc",
+        "enc/entropy_encode.h",
+        "enc/entropy_encode_static.h",
+        "enc/fast_log.h",
+        "enc/find_match_length.h",
+        "enc/hash.h ",
+        "enc/histogram.cc",
+        "enc/histogram.h",
+        "enc/literal_cost.cc",
+        "enc/literal_cost.h",
+        "enc/metablock.cc",
+        "enc/metablock.h",
+        "enc/port.h ",
+        "enc/prefix.h",
+        "enc/ringbuffer.h",
+        "enc/static_dict.cc",
+        "enc/static_dict.h",
+        "enc/static_dict_lut.h",
+        "enc/streams.cc",
+        "enc/streams.h",
+        "enc/transform.h",
+        "enc/types.h",
+        "enc/utf8_util.cc",
+        "enc/utf8_util.h",
+        "enc/write_bits.h",
+        "tools/bro.cc",
+      ],
+      'conditions': [
+        ['OS=="win"', {
+          'cflags_cc': [ '/EHsc', ],
+        }],
+        ['os_posix==1', {
+          'cflags_cc!': [ '-fno-exceptions', ],
+        }],
+      ],
+    }
   ],
 }