Relanding of "Adding debug dump to audio network adaptor."

webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi

Index: webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi
index af6ba55c6db65d6fb37edcc34dbfc721e5ed2f69..508b62b2e61e0e31acd87f1d5b011e6a81cc489c 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor.gypi
@@ -22,6 +22,8 @@
         'controller.cc',
         'controller_manager.cc',
         'controller_manager.h',
+        'debug_dump_writer.cc',
+        'debug_dump_writer.h',
         'dtx_controller.h',
         'dtx_controller.cc',
         'fec_controller.h',
@@ -31,7 +33,32 @@
         'include/audio_network_adaptor.h',
         'smoothing_filter.h',
         'smoothing_filter.cc',
-      ], # source
+      ], # sources
+      'conditions': [
+        ['enable_protobuf==1', {
+          'dependencies': ['debug_dump_proto'],
+          'defines': ['WEBRTC_AUDIO_NETWORK_ADAPTOR_DEBUG_DUMP'],
+        }],
+      ], # conditions
     },
   ], # targets
+
+  'conditions': [
+    ['enable_protobuf==1', {
+      'targets': [
+        { 'target_name': 'debug_dump_proto',
+          'type': 'static_library',
+          'sources': ['debug_dump.proto',],
+          'variables': {
+            'proto_in_dir': '.',
+            # Workaround to protect against gyp's pathname relativization when
+            # this file is included by modules.gyp.
+            'proto_out_protected': 'webrtc/modules/audio_coding/audio_network_adaptor',
+            'proto_out_dir': '<(proto_out_protected)',
+          },
+          'includes': ['../../../build/protoc.gypi',],
+        },
+      ], # targets
+    }],
+  ], # conditions
 }