Add brotli content-encoding filter.

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/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")
 import("//build_overrides/v8.gni")
@@ skipping 23 matching lines @@
 # this flag is set, we hackily avoid using mmap() in the disk cache. We are
 # pretty confident that mmap-ing the index would not hurt any existing x86
 # android devices, but we cannot be so sure about the variety of ARM devices.
 # So enable it for x86 only for now.
 posix_avoid_mmap = is_android && current_cpu != "x86"
 
 # WebSockets and socket stream code are used everywhere except iOS.
 enable_websockets = !is_ios
 use_v8_in_net = !is_ios
 enable_built_in_dns = !is_ios
+disable_brotli_support = is_ios
 disable_ftp_support = is_ios
 
 declare_args() {
   # Disables support for file URLs.  File URL support requires use of icu.
   disable_file_support = false
 }
 
 config("net_config") {
   defines = []
   if (posix_avoid_mmap) {
@@ skipping 60 matching lines @@
 if (!is_nacl) {
   net_shared_sources += gypi_values.net_non_nacl_sources
 
   net_shared_deps += [
     "//base:prefs",
     "//base/third_party/dynamic_annotations",
     "//sdch",
     "//third_party/zlib",
   ]
 
+  if (!disable_brotli_support) {
+    net_shared_deps += [ "//third_party/brotli" ]
+  }
+
   if (!use_kerberos) {
     net_shared_sources -= [
       "http/http_auth_gssapi_posix.cc",
       "http/http_auth_gssapi_posix.h",
       "http/http_auth_handler_negotiate.cc",
       "http/http_auth_handler_negotiate.h",
     ]
   }
 
   if (is_posix) {
@@ skipping 278 matching lines @@
 
   if (!is_nacl) {
     if (!disable_file_support) {
       sources += gypi_values.net_file_support_sources
     }
 
     if (!disable_ftp_support) {
       sources += gypi_values.net_ftp_support_sources
     }
 
+    if (!disable_brotli_support) {
+      sources += gypi_values.net_brotli_support_sources
+    }
+
     if (enable_websockets) {
       sources += gypi_values.net_websockets_sources
     }
 
     # ICU support.
     deps += [
       "//base:i18n",
       "//third_party/icu",
     ]
     sources += [
@@ skipping 899 matching lines @@
     "//base:prefs_test_support",
     "//base/allocator",
     "//base/third_party/dynamic_annotations",
     "//crypto",
     "//crypto:platform",
     "//crypto:test_support",
     "//net/base/registry_controlled_domains",
     "//sql",
     "//testing/gmock",
     "//testing/gtest",
+    "//third_party/brotli",
     "//third_party/zlib",
     "//url",
   ]
 
   data = [
     "data/",
   ]
 
   if (is_linux || is_mac || is_win) {
     deps += [
@@ skipping 137 matching lines @@
       "ftp/ftp_directory_listing_parser_unittest.cc",
       "ftp/ftp_directory_listing_parser_unittest.h",
       "ftp/ftp_directory_listing_parser_vms_unittest.cc",
       "ftp/ftp_directory_listing_parser_windows_unittest.cc",
       "ftp/ftp_network_transaction_unittest.cc",
       "ftp/ftp_util_unittest.cc",
       "url_request/url_request_ftp_job_unittest.cc",
     ]
   }
 
+  if (disable_brotli_support) {
+    sources -= [ "filter/brotli_filter_unittest.cc" ]
+    deps -= [ "//third_party/brotli" ]
+  }
+
   if (!enable_built_in_dns) {
     sources -= [
       "dns/address_sorter_posix_unittest.cc",
       "dns/address_sorter_unittest.cc",
     ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
@@ skipping 54 matching lines @@
     #  ],
     sources -= [
       # TODO(droger): The following tests are disabled because the
       # implementation is missing or incomplete.
       # KeygenHandler::GenKeyAndSignChallenge() is not ported to iOS.
       "base/keygen_handler_unittest.cc",
       "disk_cache/backend_unittest.cc",
       "disk_cache/blockfile/block_files_unittest.cc",
 
       # Need to read input data files.
+      "filter/brotli_filter_unittest.cc",

[xunjieli, 2015/11/17 16:16:12]

The test file is already excluded on 1508. Isn't this not needed?

[eustas, 2015/11/17 17:57:21]

Right you are. Fixed.

       "filter/gzip_filter_unittest.cc",
       "socket/ssl_server_socket_unittest.cc",
       "spdy/fuzzing/hpack_fuzz_util_test.cc",
 
       # Need TestServer.
       "cert_net/cert_net_fetcher_impl_unittest.cc",
       "proxy/proxy_script_fetcher_impl_unittest.cc",
       "socket/ssl_client_socket_unittest.cc",
       "url_request/url_fetcher_impl_unittest.cc",
       "url_request/url_request_context_builder_unittest.cc",
@@ skipping 79 matching lines @@
   if (enable_websockets) {
     sources += [ "websockets/websocket_frame_perftest.cc" ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }