Webrtc deps roll.

content/BUILD.gn

 # Copyright 2014 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("//tools/grit/grit_rule.gni")
 
 # Applied by targets internal to content.
 config("content_implementation") {
   defines = [ "CONTENT_IMPLEMENTATION" ]
 }
@@ skipping 63 matching lines @@
   defines = [
     "FEATURE_ENABLE_SSL",
     "FEATURE_ENABLE_VOICEMAIL",
     "EXPAT_RELATIVE_PATH",
     "GTEST_RELATIVE_PATH",
     "NO_MAIN_THREAD_WRAPPING",
     "NO_SOUND_SYSTEM",
   ]
 
   if (is_mac) {
-    defines += [ "OSX" ]
+    defines += [ "OSX", "WEBRTC_MAC" ]
   } else if (is_linux) {
-    defines += [ "LINUX" ]
+    defines += [ "LINUX", "WEBRTC_LINUX" ]
   } else if (is_android) {
-    defines += [ "ANDROID" ]
+    defines += [ "ANDROID", "WEBRTC_LINUX", "WEBRTC_ANDROID" ]
   } else if (is_win) {
     libs = [ "secur32.lib", "crypt32.lib", "iphlpapi.lib" ]
+    defines += [ "WEBRTC_WIN" ]
   }
 
   if (is_posix) {
-    defines += [ "POSIX" ]
+    defines += [ "POSIX", "WEBRTC_POSIX" ]
   }
   if (is_chromeos) {
     defines += [ "CHROMEOS" ]
   }
 }
 
 # Sets up include dirs while webrtc is being converted to GN.
 # TODO(GYP) remove when webrtc is ready.
 config("webrtc_stub_config") {
   defines = [ "WEBRTC_CHROMIUM_BUILD" ]
@@ skipping 15 matching lines @@
     import("//build/config/crypto.gni")
     if (use_openssl) {
       defines += [ "WEBRTC_ANDROID_OPENSLEQS" ]
     }
   }
 
   if (is_posix) {
     defines += [ "WEBRTC_POSIX" ]
   }
 }