Remove net & url small, iOS ICU alternatives, unit tests.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index fdfe0b690788fc7fd8e6c528594a0a632609fa3a..fea8c2aee0a76b52871acd236b000c7424364905 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -14,6 +14,12 @@ import("//testing/test.gni")
 import("//third_party/icu/config.gni")
 import("//third_party/protobuf/proto_library.gni")
 import("//tools/grit/grit_rule.gni")
+import("//url/features.gni")
+
+buildflag_header("features") {
+  header = "features.h"
+  flags = [ "USE_PLATFORM_ICU_ALTERNATIVES=$use_platform_icu_alternatives" ]
+}
 
 if (is_android) {
   import("//build/config/android/config.gni")
@@ -51,6 +57,9 @@ declare_args() {
   # Chromecast, at least for now. This feature needs configuration (krb5.conf
   # and so on).
   use_kerberos = !is_chromeos && !is_ios && !is_chromecast
+
+  # Do not disable brotli filter by default.
+  disable_brotli_filter = false
 }
 
 config("net_config") {
@@ -66,7 +75,6 @@ config("net_config") {
   }
 }
 
-# net_internal_config is shared with net and net_small.
 config("net_internal_config") {
   defines = [
     # TODO(GYP) Note that the GYP file supports linux_link_kerberos (defaults to
@@ -90,12 +98,11 @@ config("net_internal_config") {
   }
 }
 
-# net_shared_* are settings shared between net and net_small
-net_shared_sources = gypi_values.net_nacl_common_sources
+net_sources = gypi_values.net_nacl_common_sources
 
-net_shared_unfiltered_sources = []
+net_unfiltered_sources = []
 
-net_shared_configs = [
+net_configs = [
   ":net_internal_config",
   "//build/config:precompiled_headers",
 
@@ -103,13 +110,14 @@ net_shared_configs = [
   "//build/config/compiler:no_size_t_to_int_warning",
 ]
 
-net_shared_public_deps = [
+net_public_deps = [
   ":net_quic_proto",
   "//crypto",
   "//crypto:platform",
 ]
 
-net_shared_deps = [
+net_deps = [
+  ":features",
   ":net_resources",
   "//base",
   "//net/base/registry_controlled_domains",
@@ -117,9 +125,9 @@ net_shared_deps = [
 ]
 
 if (!is_nacl) {
-  net_shared_sources += gypi_values.net_non_nacl_sources
+  net_sources += gypi_values.net_non_nacl_sources
 
-  net_shared_deps += [
+  net_deps += [
     "//base/third_party/dynamic_annotations",
     "//components/prefs",
     "//sdch",
@@ -127,7 +135,7 @@ if (!is_nacl) {
   ]
 
   if (!use_kerberos) {
-    net_shared_sources -= [
+    net_sources -= [
       "http/http_auth_handler_negotiate.cc",
       "http/http_auth_handler_negotiate.h",
     ]
@@ -135,15 +143,14 @@ if (!is_nacl) {
 
   if (is_posix) {
     if (posix_avoid_mmap) {
-      net_shared_sources -= [ "disk_cache/blockfile/mapped_file_posix.cc" ]
+      net_sources -= [ "disk_cache/blockfile/mapped_file_posix.cc" ]
     } else {
-      net_shared_sources -=
-          [ "disk_cache/blockfile/mapped_file_avoid_mmap_posix.cc" ]
+      net_sources -= [ "disk_cache/blockfile/mapped_file_avoid_mmap_posix.cc" ]
     }
   }
 
   if (!enable_built_in_dns) {
-    net_shared_sources -= [
+    net_sources -= [
       "dns/address_sorter_posix.cc",
       "dns/address_sorter_posix.h",
       "dns/dns_client.cc",
@@ -151,7 +158,7 @@ if (!is_nacl) {
   }
 
   if (use_openssl) {
-    net_shared_sources -= [
+    net_sources -= [
       "base/nss_memio.c",
       "base/nss_memio.h",
       "cert/ct_log_verifier_nss.cc",
@@ -177,13 +184,13 @@ if (!is_nacl) {
       "ssl/token_binding_nss.cc",
     ]
     if (is_ios) {
-      net_shared_sources -= [
+      net_sources -= [
         "cert/x509_util_ios.cc",
         "cert/x509_util_ios.h",
       ]
     }
   } else {
-    net_shared_sources -= [
+    net_sources -= [
       "cert/ct_log_verifier_openssl.cc",
       "cert/ct_objects_extractor_openssl.cc",
       "cert/jwk_serializer_openssl.cc",
@@ -222,7 +229,7 @@ if (!is_nacl) {
   }
 
   if (!use_openssl_certs) {
-    net_shared_sources -= [
+    net_sources -= [
       "base/crypto_module_openssl.cc",
       "base/keygen_handler_openssl.cc",
       "base/openssl_private_key_store.h",
@@ -236,12 +243,12 @@ if (!is_nacl) {
       "ssl/openssl_client_key_store.h",
     ]
     if (is_android) {
-      net_shared_sources -= [ "base/openssl_private_key_store_android.cc" ]
+      net_sources -= [ "base/openssl_private_key_store_android.cc" ]
     }
   } else {
     if (is_android) {
       # Android doesn't use these even when using OpenSSL.
-      net_shared_sources -= [
+      net_sources -= [
         "base/openssl_private_key_store_memory.cc",
         "cert/cert_database_openssl.cc",
         "cert/cert_verify_proc_openssl.cc",
@@ -251,23 +258,23 @@ if (!is_nacl) {
   }
 
   if (!use_kerberos || is_android) {
-    net_shared_sources -= [
+    net_sources -= [
       "http/http_auth_gssapi_posix.cc",
       "http/http_auth_gssapi_posix.h",
     ]
   }
 
   if (use_glib && use_gconf && !is_chromeos) {
-    net_shared_configs += [ "//build/config/linux:gconf" ]
-    net_shared_deps += [ "//build/linux:gio" ]
+    net_configs += [ "//build/config/linux:gconf" ]
+    net_deps += [ "//build/linux:gio" ]
   }
 
   if (is_linux) {
-    net_shared_configs += [ "//build/config/linux:libresolv" ]
+    net_configs += [ "//build/config/linux:libresolv" ]
   }
 
   if (!use_nss_certs) {
-    net_shared_sources -= [
+    net_sources -= [
       "base/crypto_module_nss.cc",
       "base/keygen_handler_nss.cc",
       "cert/cert_database_nss.cc",
@@ -285,14 +292,14 @@ if (!is_nacl) {
     ]
     if (is_chromeos) {
       # These were already removed on non-ChromeOS.
-      net_shared_sources -= [
+      net_sources -= [
         "cert/nss_cert_database_chromeos.cc",
         "cert/nss_cert_database_chromeos.h",
         "cert/nss_profile_filter_chromeos.cc",
         "cert/nss_profile_filter_chromeos.h",
       ]
     }
-    net_shared_sources -= [
+    net_sources -= [
       "ssl/client_key_store.cc",
       "ssl/client_key_store.h",
       "ssl/ssl_platform_key_nss.cc",
@@ -301,13 +308,13 @@ if (!is_nacl) {
     # client_cert_store_nss.c requires NSS_CmpCertChainWCANames from NSS's
     # libssl, but our bundled copy is not built in OpenSSL ports. Pull that file
     # in directly.
-    net_shared_sources += [ "third_party/nss/ssl/cmpcert.c" ]
+    net_sources += [ "third_party/nss/ssl/cmpcert.c" ]
   }
 
   if (!use_nss_verifier) {
     # These files are part of the partial implementation of NSS for
     # cert verification, so keep them in that case.
-    net_shared_sources -= [
+    net_sources -= [
       "cert/cert_verify_proc_nss.cc",
       "cert/cert_verify_proc_nss.h",
       "cert/test_root_certs_nss.cc",
@@ -318,7 +325,7 @@ if (!is_nacl) {
   }
 
   if (is_ios && use_nss_verifier) {
-    net_shared_sources -= [
+    net_sources -= [
       "cert/cert_verify_proc_ios.cc",
       "cert/cert_verify_proc_ios.h",
       "cert/x509_certificate_openssl_ios.cc",
@@ -326,12 +333,12 @@ if (!is_nacl) {
   }
 
   if (is_chromecast && use_nss_certs) {
-    net_shared_sources += [ "ssl/ssl_platform_key_chromecast.cc" ]
-    net_shared_sources -= [ "ssl/ssl_platform_key_nss.cc" ]
+    net_sources += [ "ssl/ssl_platform_key_chromecast.cc" ]
+    net_sources -= [ "ssl/ssl_platform_key_nss.cc" ]
   }
 
   if (!enable_mdns) {
-    net_shared_sources -= [
+    net_sources -= [
       "dns/mdns_cache.cc",
       "dns/mdns_cache.h",
       "dns/mdns_client.cc",
@@ -346,9 +353,9 @@ if (!is_nacl) {
   }
 
   if (is_win) {
-    net_shared_sources -= [ "http/http_auth_handler_ntlm_portable.cc" ]
+    net_sources -= [ "http/http_auth_handler_ntlm_portable.cc" ]
   } else {  # !is_win
-    net_shared_sources -= [
+    net_sources -= [
       "base/winsock_init.cc",
       "base/winsock_init.h",
       "base/winsock_util.cc",
@@ -361,7 +368,7 @@ if (!is_nacl) {
   if (is_ios) {
     # Add back some sources that were otherwise filtered out. iOS needs some Mac
     # files.
-    net_shared_unfiltered_sources += [
+    net_unfiltered_sources += [
       "base/mac/url_conversions.h",
       "base/mac/url_conversions.mm",
       "base/network_change_notifier_mac.cc",
@@ -373,8 +380,8 @@ if (!is_nacl) {
       "proxy/proxy_server_mac.cc",
     ]
 
-    net_shared_sources -= [ "disk_cache/blockfile/file_posix.cc" ]
-    net_shared_deps += [
+    net_sources -= [ "disk_cache/blockfile/file_posix.cc" ]
+    net_deps += [
       "//third_party/nss:nspr",
       "//third_party/nss",
       "//net/third_party/nss/ssl:libssl",
@@ -382,19 +389,19 @@ if (!is_nacl) {
   }
 
   if (is_ios && !use_nss_verifier) {
-    net_shared_sources += [ "cert/test_root_certs_mac.cc" ]
+    net_sources += [ "cert/test_root_certs_mac.cc" ]
   }
 
   if (is_ios || is_mac) {
-    net_shared_sources += gypi_values.net_base_mac_ios_sources
+    net_sources += gypi_values.net_base_mac_ios_sources
   }
 
   if (is_android) {
-    net_shared_deps += [ ":net_jni_headers" ]
+    net_deps += [ ":net_jni_headers" ]
 
     # Add some Linux sources that were excluded by the filter, but which
     # are needed.
-    net_shared_unfiltered_sources += [
+    net_unfiltered_sources += [
       "base/address_tracker_linux.cc",
       "base/address_tracker_linux.h",
       "base/network_interfaces_linux.cc",
@@ -403,23 +410,23 @@ if (!is_nacl) {
     ]
   }
 } else {
-  net_shared_public_deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
+  net_public_deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
 }
 
 component("net") {
-  sources = net_shared_sources
+  sources = net_sources
 
   # Add back some sources that were otherwise filtered out.
   set_sources_assignment_filter([])
-  sources += net_shared_unfiltered_sources
+  sources += net_unfiltered_sources
   set_sources_assignment_filter(sources_assignment_filter)
 
   cflags = []
-  configs += net_shared_configs
+  configs += net_configs
   public_configs = [ ":net_config" ]
 
-  public_deps = net_shared_public_deps + [ "//url" ]
-  deps = net_shared_deps
+  public_deps = net_public_deps + [ "//url" ]
+  deps = net_deps
 
   if (is_mac) {
     libs = [
@@ -466,55 +473,40 @@ component("net") {
     }
 
     # ICU support.
-    deps += [
-      "//base:i18n",
-      "//third_party/icu",
-    ]
-    sources += [
-      "base/filename_util_icu.cc",
-      "base/net_string_util_icu.cc",
-    ]
+    if (use_platform_icu_alternatives) {
+      if (is_android) {
+        # Use ICU alternative on Android.
+        sources += [
+          "base/net_string_util_icu_alternatives_android.cc",
+          "base/net_string_util_icu_alternatives_android.h",
+        ]
+        deps += [ ":net_jni_headers" ]
+      } else if (is_ios) {
+        # Use ICU alternative on iOS.
+        sources += [ "base/net_string_util_icu_alternatives_ios.mm" ]
+      } else {
+        assert(false,
+               "ICU alternative is not implemented for platform: " + target_os)
+      }
+    } else {
+      # Use ICU.
+      deps += [
+        "//base:i18n",
+        "//third_party/icu",
+      ]
+      sources += [
+        "base/filename_util_icu.cc",
+        "base/net_string_util_icu.cc",
+      ]
+    }
 
     # Brotli support.
-    deps += [ "//third_party/brotli" ]
-    sources += [ "filter/brotli_filter.cc" ]
-  }
-}
-
-if (is_android) {
-  # Same as net, but with brotli encoding, ICU, file, ftp, and websocket
-  # support stripped.
-  component("net_small") {
-    sources = net_shared_sources
-
-    # Add back some sources that were otherwise filtered out.
-    set_sources_assignment_filter([])
-    sources += net_shared_unfiltered_sources
-    set_sources_assignment_filter(sources_assignment_filter)
-
-    cflags = []
-    defines = []
-    configs += net_shared_configs
-    public_configs = [ ":net_config" ]
-
-    public_deps = net_shared_public_deps +
-                  [ "//url:url_lib_use_icu_alternatives_on_android" ]
-    deps = net_shared_deps + [ ":net_jni_headers" ]
-
-    defines += [
-      "DISABLE_FILE_SUPPORT",
-      "DISABLE_FTP_SUPPORT",
-      "USE_ICU_ALTERNATIVES_ON_ANDROID=1",
-    ]
-
-    # Use ICU alternative on Android.
-    sources += [
-      "base/net_string_util_icu_alternatives_android.cc",
-      "base/net_string_util_icu_alternatives_android.h",
-    ]
-
-    # Disable Brotli support.
-    sources += [ "filter/brotli_filter_disabled.cc" ]
+    if (!disable_brotli_filter) {
+      sources += [ "filter/brotli_filter.cc" ]
+      deps += [ "//third_party/brotli" ]
+    } else {
+      sources += [ "filter/brotli_filter_disabled.cc" ]
+    }
   }
 }
 
@@ -528,10 +520,7 @@ grit("net_resources") {
 }
 
 proto_library("net_quic_proto") {
-  visibility = [
-    ":net",
-    ":net_small",
-  ]
+  visibility = [ ":net" ]
 
   sources = [
     "quic/proto/cached_network_parameters.proto",
@@ -1389,7 +1378,7 @@ source_set("stale_while_revalidate_experiment_domains") {
     ":stale_while_revalidate_experiment_domains_dafsa",
     "//base",
   ]
-  configs += net_shared_configs
+  configs += net_configs
 }
 
 if (!is_ios) {
@@ -1452,6 +1441,7 @@ test("net_unittests") {
   deps = [
     ":balsa",
     ":extras",
+    ":features",
     ":net",
     ":net_unittests_bundle_data",
     ":simple_quic_tools",
@@ -1655,7 +1645,6 @@ test("net_unittests") {
       "disk_cache/blockfile/block_files_unittest.cc",
 
       # Need to read input data files.
-      "filter/brotli_filter_unittest.cc",
       "filter/gzip_filter_unittest.cc",
       "socket/ssl_server_socket_unittest.cc",
       "spdy/fuzzing/hpack_fuzz_util_test.cc",
@@ -1681,6 +1670,44 @@ test("net_unittests") {
     ]
   }
 
+  # Unit tests that are not supported by the current ICU alternatives on Android.
+  if (is_android && use_platform_icu_alternatives) {
+    sources -= [
+      "base/filename_util_unittest.cc",
+      "base/url_util_unittest.cc",
+      "cert/x509_certificate_unittest.cc",
+      "proxy/proxy_resolver_v8_unittest.cc",
+      "url_request/url_request_job_unittest.cc",
+    ]
+  }
+
+  # Unit tests that are not supported by the current ICU alternatives on iOS.
+  if (is_ios && use_platform_icu_alternatives) {
+    sources -= [
+      "base/filename_util_unittest.cc",
+      "base/url_util_unittest.cc",
+      "cert/x509_certificate_unittest.cc",
+      "http/http_auth_handler_basic_unittest.cc",
+      "http/http_auth_handler_digest_unittest.cc",
+      "http/http_auth_handler_factory_unittest.cc",
+      "http/http_auth_unittest.cc",
+      "http/http_content_disposition_unittest.cc",
+      "http/http_network_transaction_unittest.cc",
+      "http/http_proxy_client_socket_pool_unittest.cc",
+      "socket/ssl_client_socket_pool_unittest.cc",
+      "spdy/spdy_network_transaction_unittest.cc",
+      "spdy/spdy_proxy_client_socket_unittest.cc",
+      "url_request/url_request_job_unittest.cc",
+      "url_request/url_request_unittest.cc",
+    ]
+  }
+
+  # Exclude brotli test if the support for brotli is disabled.
+  # Also, exclude the test from iOS for now (needs to read input data files).
+  if (disable_brotli_filter || is_ios) {
+    sources -= [ "filter/brotli_filter_unittest.cc" ]
+  }
+
   if (is_android) {
     deps += [
       ":net_test_jni_headers",