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 053bf1d450a636cafb2fd109da32109b55890e98..f6b1f7e137120c015316f066b0cdc356e9c39676 100644
--- a/webrtc/modules/audio_processing/BUILD.gn
+++ b/webrtc/modules/audio_processing/BUILD.gn
@@ -231,6 +231,7 @@ 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") {
+  # Includes audio_processing.h. TODO(aleloi): add a dependency for
+  # that when the header is not part of :audio_processing.
+  check_includes = false
+
+  sources = [
+    "include/aec_dump.cc",
+    "include/aec_dump.h",
+  ]
+}
+
 rtc_source_set("audio_processing_c") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
   sources = [
@@ -567,6 +579,7 @@ if (rtc_include_tests) {
         ":audioproc_debug_proto",
         ":audioproc_protobuf_utils",
         ":audioproc_unittest_proto",
+        "aec_dump:aec_dump_unittests",
       ]
       sources += [
         "aec3/adaptive_fir_filter_unittest.cc",