GN: Refactor so that WebRTC compiles with rtc_enable_protobuf=false.

webrtc/modules/audio_processing/BUILD.gn

 # Copyright (c) 2014 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/config/arm.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 376 matching lines @@
       ":audio_processing_c",
       "../../base:rtc_base_approved",
     ]
   }
 }
 
 if (rtc_include_tests) {
   group("audio_processing_tests") {
     testonly = true
     public_deps = [
-      ":audioproc_f",
       ":audioproc_test_utils",
       ":click_annotate",
       ":nonlinear_beamformer_test",
       ":transient_suppression_test",
-      ":unpack_aecdump",
     ]
 
     if (rtc_enable_intelligibility_enhancer) {
       public_deps += [ ":intelligibility_proc" ]
     }
 
     if (rtc_enable_protobuf) {
-      public_deps += [ ":audioproc_unittest_proto" ]
+      public_deps += [
+        ":audioproc_f",
+        ":audioproc_unittest_proto",
+        ":unpack_aecdump",
+      ]
     }
   }
 
   rtc_source_set("audio_processing_perf_tests") {
     # Has problems with autogenerated targets on Android and iOS
     # Dependency chain (there may also be others):
     #  //webrtc/modules/audio_processing:audio_processing_perf_tests -->
     #  //webrtc/modules:modules_unittests --[private]-->
     #  //webrtc/modules:modules_unittests_apk -->
     #  //webrtc/modules:modules_unittests_apk__create -->
@@ skipping 12 matching lines @@
       ":audioproc_test_utils",
       "//testing/gtest",
     ]
     if (rtc_enable_intelligibility_enhancer) {
       defines = [ "WEBRTC_INTELLIGIBILITY_ENHANCER=1" ]
     } else {
       defines = [ "WEBRTC_INTELLIGIBILITY_ENHANCER=0" ]
     }
   }
 
-  rtc_executable("unpack_aecdump") {
-    testonly = true
-    sources = [
-      "test/unpack.cc",
-    ]
+  if (rtc_enable_protobuf) {
+    rtc_executable("unpack_aecdump") {
+      testonly = true
+      sources = [
+        "test/unpack.cc",
+      ]
 
-    deps = [
-      ":audio_processing",
-      ":audioproc_debug_proto",
-      ":audioproc_protobuf_utils",
-      ":audioproc_test_utils",
-      "../..:webrtc_common",
-      "../../base:rtc_base_approved",
-      "../../common_audio",
-      "../../system_wrappers:system_wrappers_default",
-      "//third_party/gflags:gflags",
-    ]
-  }  # unpack_aecdump
+      deps = [
+        ":audio_processing",
+        ":audioproc_debug_proto",
+        ":audioproc_protobuf_utils",
+        ":audioproc_test_utils",
+        "../..:webrtc_common",
+        "../../base:rtc_base_approved",
+        "../../common_audio",
+        "../../system_wrappers:system_wrappers_default",
+        "//third_party/gflags:gflags",
+      ]
+    }  # unpack_aecdump
 
-  rtc_executable("audioproc_f") {
-    testonly = true
-    sources = [
-      "test/aec_dump_based_simulator.cc",
-      "test/aec_dump_based_simulator.h",
-      "test/audio_processing_simulator.cc",
-      "test/audio_processing_simulator.h",
-      "test/audioproc_float.cc",
-      "test/wav_based_simulator.cc",
-      "test/wav_based_simulator.h",
-    ]
+    rtc_executable("audioproc_f") {
+      testonly = true
+      sources = [
+        "test/aec_dump_based_simulator.cc",
+        "test/aec_dump_based_simulator.h",
+        "test/audio_processing_simulator.cc",
+        "test/audio_processing_simulator.h",
+        "test/audioproc_float.cc",
+        "test/wav_based_simulator.cc",
+        "test/wav_based_simulator.h",
+      ]
 
-    deps = [
-      ":audio_processing",
-      ":audioproc_debug_proto",
-      ":audioproc_protobuf_utils",
-      ":audioproc_test_utils",
-      "../../base:rtc_base_approved",
-      "../../common_audio:common_audio",
-      "../../system_wrappers",
-      "../../system_wrappers:system_wrappers_default",
-      "../../test:test_support",
-      "//testing/gtest",
-      "//third_party/gflags:gflags",
-    ]
-  }  # audioproc_f
+      deps = [
+        ":audio_processing",
+        ":audioproc_debug_proto",
+        ":audioproc_protobuf_utils",
+        ":audioproc_test_utils",
+        "../../base:rtc_base_approved",
+        "../../common_audio:common_audio",
+        "../../system_wrappers",
+        "../../system_wrappers:system_wrappers_default",
+        "../../test:test_support",
+        "//testing/gtest",
+        "//third_party/gflags:gflags",
+      ]
+    }  # audioproc_f
+  }
 
   rtc_source_set("audioproc_test_utils") {
     testonly = true
     sources = [
       "test/audio_buffer_tools.cc",
       "test/audio_buffer_tools.h",
       "test/performance_timer.cc",
       "test/performance_timer.h",
       "test/simulator_buffers.cc",
       "test/simulator_buffers.h",
@@ skipping 90 matching lines @@
       ]
 
       deps = [
         ":audioproc_debug_proto",
         "../..:webrtc_common",
         "../../base:rtc_base_approved",
       ]
     }
   }
 }