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..6001acbd81814aa06881a64caca7b3724d9e85f3 100644
--- a/third_party/brotli/brotli.gyp
+++ b/third_party/brotli/brotli.gyp
@@ -34,5 +34,72 @@
         }],
       ],
     },
+    {
+      '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"', {
+          'msvs_settings': {
+            'VCCLCompilerTool': {
+              'AdditionalOptions': [ '/EHsc', ],
+            },
+          },
+        }],
+        ['os_posix==1', {
+          'cflags_cc!': [ '-fno-exceptions', ],
+        }],
+      ],
+    }
   ],
 }