GN build improvements.

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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//tools/grit/grit_rule.gni")
 
 if (is_android) {
@@ skipping 142 matching lines @@
   } else {
     sources -= [
       "dns/address_sorter_posix.cc",
       "dns/address_sorter_posix.h",
       "dns/dns_client.cc",
     ]
   }
 
   if (use_openssl) {
     sources -= [
-      "base/crypto_module_nss.cc",
-      "base/keygen_handler_nss.cc",
       "base/nss_memio.c",
       "base/nss_memio.h",
-      "cert/cert_database_nss.cc",
-      "cert/cert_verify_proc_nss.cc",
-      "cert/cert_verify_proc_nss.h",
       "cert/ct_log_verifier_nss.cc",
       "cert/ct_objects_extractor_nss.cc",
       "cert/jwk_serializer_nss.cc",
-      "cert/nss_cert_database.cc",
-      "cert/nss_cert_database.h",
-      "cert/nss_cert_database_chromeos.cc",
-      "cert/nss_cert_database_chromeos.h",
-      "cert/nss_profile_filter_chromeos.cc",
-      "cert/nss_profile_filter_chromeos.h",
       "cert/scoped_nss_types.h",
-      "cert/test_root_certs_nss.cc",
-      "cert/x509_certificate_nss.cc",
       "cert/x509_util_nss.cc",
       "cert/x509_util_nss.h",
-      "ocsp/nss_ocsp.cc",
-      "ocsp/nss_ocsp.h",
       "quic/crypto/aead_base_decrypter_nss.cc",
       "quic/crypto/aead_base_encrypter_nss.cc",
       "quic/crypto/aes_128_gcm_12_decrypter_nss.cc",
       "quic/crypto/aes_128_gcm_12_encrypter_nss.cc",
       "quic/crypto/chacha20_poly1305_decrypter_nss.cc",
       "quic/crypto/chacha20_poly1305_encrypter_nss.cc",
       "quic/crypto/channel_id_nss.cc",
       "quic/crypto/p256_key_exchange_nss.cc",
       "socket/nss_ssl_util.cc",
       "socket/nss_ssl_util.h",
       "socket/ssl_client_socket_nss.cc",
       "socket/ssl_client_socket_nss.h",
       "socket/ssl_server_socket_nss.cc",
       "socket/ssl_server_socket_nss.h",
-      "third_party/mozilla_security_manager/nsKeygenHandler.cpp",
-      "third_party/mozilla_security_manager/nsKeygenHandler.h",
-      "third_party/mozilla_security_manager/nsNSSCertificateDB.cpp",
-      "third_party/mozilla_security_manager/nsNSSCertificateDB.h",
-      "third_party/mozilla_security_manager/nsPKCS12Blob.cpp",
-      "third_party/mozilla_security_manager/nsPKCS12Blob.h",
     ]
+    if (is_chromeos) {
+      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",
+      ]
+    }
+    if (is_linux) {
+      # These are always removed for non-Linux cases below.
+      sources -= [
+        "base/crypto_module_nss.cc",
+        "base/keygen_handler_nss.cc",
+        "cert/cert_database_nss.cc",
+        "cert/nss_cert_database.cc",
+        "cert/nss_cert_database.h",
+        "cert/x509_certificate_nss.cc",
+        "third_party/mozilla_security_manager/nsKeygenHandler.cpp",
+        "third_party/mozilla_security_manager/nsKeygenHandler.h",
+        "third_party/mozilla_security_manager/nsNSSCertificateDB.cpp",
+        "third_party/mozilla_security_manager/nsNSSCertificateDB.h",
+        "third_party/mozilla_security_manager/nsPKCS12Blob.cpp",
+        "third_party/mozilla_security_manager/nsPKCS12Blob.h",
+      ]
+    }
+    if (is_ios) {
+      # Always removed for !ios below.
+      sources -= [
+        "cert/cert_verify_proc_nss.cc",
+        "cert/cert_verify_proc_nss.h",
+        "cert/test_root_certs_nss.cc",
+        "ocsp/nss_ocsp.cc",
+        "ocsp/nss_ocsp.h",
+      ]
+    }
   } else {
     sources -= [
       "base/crypto_module_openssl.cc",
       "base/keygen_handler_openssl.cc",
       "cert/ct_log_verifier_openssl.cc",
       "cert/ct_objects_extractor_openssl.cc",
       "cert/jwk_serializer_openssl.cc",
       "cert/x509_util_openssl.cc",
       "cert/x509_util_openssl.h",
       "quic/crypto/aead_base_decrypter_openssl.cc",
@@ skipping 209 matching lines @@
       "CFNetwork.framework",
       "MobileCoreServices.framework",
       "Security.framework",
       "SystemConfiguration.framework",
       "resolv",
     ]
   }
 
   if (is_android) {
     if (!is_android_webview_build) {
-      sources -= [
-        "base/openssl_private_key_store_memory.cc",
-        "cert/cert_database_openssl.cc",
-        "cert/cert_verify_proc_openssl.cc",
-        "cert/test_root_certs_openssl.cc",
-      ]
       deps += [ ":net_jni_headers" ]
 
       # The net/android/keystore_openssl.cc source file needs to access an
       # OpenSSL-internal header.
       include_dirs = [ "//third_party/openssl" ]
     }
   }
 }
 
 grit("net_resources") {
@@ skipping 462 matching lines @@
 
 if (is_android || is_linux) {
   executable("disk_cache_memory_test") {
     sources = [ "tools/disk_cache_memory_test/disk_cache_memory_test.cc" ]
     deps = [
       ":net",
       "//base",
     ]
   }
 }