AecDump interface

webrtc/modules/audio_processing/BUILD.gn

Index: webrtc/modules/audio_processing/BUILD.gn
diff --git a/webrtc/modules/audio_processing/BUILD.gn b/webrtc/modules/audio_processing/BUILD.gn
index 5686dc66908dced9a188cb2929b8cf2ee035667d..f6e873aa20a5c62692ef071733e478c8da60ad29 100644
--- a/webrtc/modules/audio_processing/BUILD.gn
+++ b/webrtc/modules/audio_processing/BUILD.gn
@@ -230,6 +230,7 @@ rtc_static_library("audio_processing") {
 
   defines = []
   deps = [
+    ":aec_dump_interface",
     "../..:webrtc_common",
     "../../audio/utility:audio_frame_operations",
     "../../base:gtest_prod",
@@ -303,6 +304,17 @@ rtc_static_library("audio_processing") {
   ]
 }
 
+rtc_source_set("aec_dump_interface") {
+  sources = [
+    "include/aec_dump.cc",
+    "include/aec_dump.h",
+  ]
+
+  deps = [
+    "../../base:rtc_base_approved",
+  ]
+}
+
 rtc_source_set("audio_processing_c") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
   sources = [