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 381 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 1664 matching lines @@
 if (host_toolchain == current_toolchain) {
   executable("domain_security_preload_generator") {
     sources = gypi_values.net_domain_security_state_generator_sources
     deps = [
       "//base",
       "//crypto",
       "//third_party/boringssl",
     ]
   }
 }