Move webrtc/audio_*.h to webrtc/api/call

webrtc/api/BUILD.gn

 # Copyright (c) 2015 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/webrtc.gni")
 import("//testing/test.gni")
 
 group("api") {
   deps = [
     ":libjingle_peerconnection",
   ]
 }
 
+source_set("call_api") {
+  sources = [
+    "call/audio_receive_stream.h",
+    "call/audio_send_stream.h",
+    "call/audio_sink.h",
+    "call/audio_state.h",
+  ]
+
+  configs += [ "..:common_config" ]
+  public_configs = [ "..:common_inherited_config" ]
+
+  deps = [
+    # TODO(kjellander): Add remaining dependencies when webrtc:4243 is done.
+    "..:webrtc_common",
+    "../base:rtc_base_approved",
+    "../modules/audio_coding:audio_encoder_interface",
+  ]
+}
+
 config("libjingle_peerconnection_warnings_config") {
   # GN orders flags on a target before flags from configs. The default config
   # adds these flags so to cancel them out they need to come from a config and
   # cannot be on the target directly.
   if (!is_win) {
     cflags = [ "-Wno-sign-compare" ]
     if (!is_clang) {
       cflags += [ "-Wno-maybe-uninitialized" ]  # Only exists for GCC.
     }
   }
@@ skipping 80 matching lines @@
   if (is_clang) {
     # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
     configs -= [ "//build/config/clang:find_bad_constructs" ]
   }
 
   if (is_win) {
     cflags += [ "/wd4389" ]  # signed/unsigned mismatch.
   }
 
   deps = [
+    ":call_api",
     "../call",
     "../media",
     "../pc",
   ]
 
   if (rtc_use_quic) {
     sources += [
       "quicdatachannel.cc",
       "quicdatachannel.h",
       "quicdatatransport.cc",
@@ skipping 192 matching lines @@
       "../pc:rtc_pc",
       "../system_wrappers:metrics_default",
       "//testing/gmock",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
     }
   }
 }