Revert of move all reference to carbon api

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 47 matching lines @@
     ]
   }
   if (is_mac) {
     libs = [
       "Cocoa.framework",
       "Foundation.framework",
       "IOKit.framework",
       "Security.framework",
       "SystemConfiguration.framework",
     ]
+    if (current_cpu == "x86") {
+      libs += [ "Carbon.framework" ]
+    }
   }
 }
 
 if (is_linux && !build_with_chromium) {
   # Provides the same functionality as the //crypto:platform target, which
   # WebRTC cannot use as we don't sync src/crypto from Chromium.
   group("linux_system_ssl") {
     deps = [
       "//third_party/boringssl",
     ]
@@ skipping 203 matching lines @@
 
   public_configs = [
     ":openssl_config",
     ":rtc_base_config",
   ]
 
   all_dependent_configs = [ ":rtc_base_all_dependent_config" ]
   defines = [ "LOGGING=1" ]
 
   sources = [
-    "applefilesystem.mm",
     "arraysize.h",
     "asyncfile.cc",
     "asyncfile.h",
     "asyncinvoker-inl.h",
     "asyncinvoker.cc",
     "asyncinvoker.h",
     "asyncpacketsocket.cc",
     "asyncpacketsocket.h",
     "asyncresolverinterface.cc",
     "asyncresolverinterface.h",
@@ skipping 28 matching lines @@
     "helpers.h",
     "httpbase.cc",
     "httpbase.h",
     "httpclient.cc",
     "httpclient.h",
     "httpcommon-inl.h",
     "httpcommon.cc",
     "httpcommon.h",
     "httprequest.cc",
     "httprequest.h",
+    "iosfilesystem.mm",
     "ipaddress.cc",
     "ipaddress.h",
     "linked_ptr.h",
     "messagedigest.cc",
     "messagedigest.h",
     "messagehandler.cc",
     "messagehandler.h",
     "messagequeue.cc",
     "messagequeue.h",
     "nethelpers.cc",
@@ skipping 309 matching lines @@
       "unixfilesystem.h",
     ]
     if (is_debug) {
       # The Chromium build/common.gypi defines this for all posix
       # _except_ for ios & mac.  We want it there as well, e.g.
       # because ASSERT and friends trigger off of it.
       defines += [ "_DEBUG" ]
     }
   }
 
+  if (is_ios || (is_mac && current_cpu != "x86")) {
+    defines += [ "CARBON_DEPRECATED=YES" ]
+  }
+
   if (is_linux || is_android) {
     sources += [
       "linux.cc",
       "linux.h",
     ]
   }
 
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
     defines += [ "timezone=_timezone" ]
@@ skipping 68 matching lines @@
       "java/src/org/webrtc/Logging.java",
       "java/src/org/webrtc/Size.java",
       "java/src/org/webrtc/ThreadUtils.java",
     ]
 
     deps = [
       "//base:base_java",
     ]
   }
 }