GN: Move variables from //build_overrides/webrtc.gni to //webrtc/build/webrtc.gni

webrtc/build/webrtc.gni

 # 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/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
-import("//build_overrides/webrtc.gni")
+import("//build_overrides/build.gni")
 import("//testing/test.gni")
 
 declare_args() {
   # Disable this to avoid building the Opus audio codec.
   rtc_include_opus = true
 
   # Disable to use absolute header paths for some libraries.
   rtc_relative_path = true
 
   # Used to specify an external Jsoncpp include path when not compiling the
@@ skipping 112 matching lines @@
 }
 
 # A second declare_args block, so that declarations within it can
 # depend on the possibly overridden variables in the first
 # declare_args block.
 declare_args() {
   # Include the iLBC audio codec?
   rtc_include_ilbc = !(build_with_chromium || build_with_mozilla)
 
   rtc_restrict_logging = build_with_chromium
+
+  # Excluded in Chromium since its prerequisites don't require Pulse Audio.
+  rtc_include_pulse_audio = !build_with_chromium
+
+  # Chromium uses its own IO handling, so the internal ADM is only built for
+  # standalone WebRTC.
+  rtc_include_internal_audio_device = !build_with_chromium
+
+  # Include tests in standalone checkout.
+  rtc_include_tests = !build_with_chromium
 }
 
 # Make it possible to provide custom locations for some libraries (move these
 # up into declare_args should we need to actually use them for the GN build).
 rtc_libvpx_dir = "//third_party/libvpx"
 rtc_libyuv_dir = "//third_party/libyuv"
 rtc_opus_dir = "//third_party/opus"
 
 ###############################################################################
 # Templates
@@ skipping 122 matching lines @@
                            ])
     configs += invoker.configs
     configs -= rtc_remove_configs
     configs -= invoker.suppressed_configs
     public_configs = [ rtc_common_inherited_config ]
     if (defined(invoker.public_configs)) {
       public_configs += invoker.public_configs
     }
   }
 }