Reland "Added ACM_dump protobuf, class for reading/writing and..."

webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi

Index: webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi
diff --git a/webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi b/webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi
index 9a38faca822f9ac8d858a952af17561e1e5f20b4..c78bcd74fe3dbf14bcd5585a589c4d1d2ee50f11 100644
--- a/webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi
+++ b/webrtc/modules/audio_coding/main/acm2/audio_coding_module.gypi
@@ -78,6 +78,34 @@
         'nack.h',
       ],
     },
+    {
+      'target_name': 'acm_dump_proto',
+      'type': 'static_library',
+      'sources': ['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/audio_coding',
+        'proto_out_dir': '<(proto_out_protected)',
+      },
+      'includes': ['../../../../build/protoc.gypi',],
+    },
+    {
+      'target_name': 'acm_dump',
+      'type': 'static_library',
+      'conditions': [
+        ['enable_protobuf==1', {
+          'defines': ['RTC_AUDIOCODING_DEBUG_DUMP'],
+          }
+        ],
+      ],
+      'sources': [
+        'acm_dump.h',
+        'acm_dump.cc'
+      ],
+      'dependencies': ['acm_dump_proto'],
+    },
   ],
   'conditions': [
     ['include_tests==1', {