Update brotli to v1.0.0-snapshot.

net/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 371 matching lines @@
       ]
       sources += [
         "base/filename_util_icu.cc",
         "base/net_string_util_icu.cc",
       ]
     }
 
     # Brotli support.
     if (!disable_brotli_filter) {
       sources += [ "filter/brotli_source_stream.cc" ]
-      deps += [ "//third_party/brotli" ]
+      deps += [ "//third_party/brotli:dec" ]
     } else {
       sources += [ "filter/brotli_source_stream_disabled.cc" ]
     }
   }
 }
 
 grit("net_resources") {
   source = "base/net_resources.grd"
   use_qualified_include = true
   outputs = [
@@ skipping 1652 matching lines @@
     "http/http_security_headers_hpkp_report_only_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     "//base",
     "//net",
     "//url",
   ]
   dict = "data/fuzzer_dictionaries/net_http_security_headers_fuzzer.dict"
 }