Revert of Removing #defines previously used for building without BoringSSL/OpenSSL.

webrtc/base/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 17 matching lines @@
     public_deps += [ ":base_java" ]
   }
 }
 
 config("rtc_base_approved_all_dependent_config") {
   if (is_mac && !build_with_chromium) {
     libs = [ "Foundation.framework" ]  # needed for logging_mac.mm
   }
 }
 
+config("rtc_base_config") {
+  defines = [ "FEATURE_ENABLE_SSL" ]
+}
+
 config("rtc_base_chromium_config") {
   defines = [ "NO_MAIN_THREAD_WRAPPING" ]
 }
 
+config("openssl_config") {
+  defines = [
+    "SSL_USE_OPENSSL",
+    "HAVE_OPENSSL_SSL_H",
+  ]
+}
+
 config("rtc_base_all_dependent_config") {
   if (is_ios) {
     libs = [
       "CFNetwork.framework",
 
       #"Foundation.framework",  # Already in //build/config:default_libs.
       "Security.framework",
       "SystemConfiguration.framework",
       "UIKit.framework",
     ]
@@ skipping 301 matching lines @@
   cflags_cc = []
   libs = []
   defines = []
   deps = [
     "..:webrtc_common",
   ]
   public_deps = [
     ":rtc_base_approved",
   ]
 
+  configs += [
+    ":openssl_config",
+    ":rtc_base_config",
+  ]
+
+  public_configs = [
+    ":openssl_config",
+    ":rtc_base_config",
+  ]
+
   all_dependent_configs = [ ":rtc_base_all_dependent_config" ]
 
   sources = [
     "applefilesystem.mm",
     "asyncinvoker-inl.h",
     "asyncinvoker.cc",
     "asyncinvoker.h",
     "asyncpacketsocket.cc",
     "asyncpacketsocket.h",
     "asyncresolverinterface.cc",
@@ skipping 136 matching lines @@
       "json.h",
       "logsinks.cc",
       "logsinks.h",
       "mathutils.h",
       "optionsfile.cc",
       "optionsfile.h",
       "proxyserver.cc",
       "proxyserver.h",
       "rollingaccumulator.h",
       "scopedptrcollection.h",
+      "sslconfig.h",
       "sslroots.h",
       "testbase64.h",
       "testclient.cc",
       "testclient.h",
       "transformadapter.cc",
       "transformadapter.h",
       "virtualsocketserver.cc",
       "virtualsocketserver.h",
       "window.h",
     ]
@@ skipping 393 matching lines @@
 
 if (is_android) {
   android_library("base_java") {
     java_files = [
       "java/src/org/webrtc/Logging.java",
       "java/src/org/webrtc/Size.java",
       "java/src/org/webrtc/ThreadUtils.java",
     ]
   }
 }