GN: Refactor modules_unittests to eliminate package boundary violations.

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 4178a08a761a277bdbfd5d56006b8cdf48b45512..d7879976fdd46391b16ccb17b2d7e493ba20c0d7 100644
--- a/webrtc/modules/audio_processing/BUILD.gn
+++ b/webrtc/modules/audio_processing/BUILD.gn
@@ -415,6 +415,130 @@ if (rtc_include_tests) {
     }
   }
 
+  rtc_source_set("audio_processing_unittests") {
+    testonly = true
+    sources = [
+      "aec/echo_cancellation_unittest.cc",
+      "aec/system_delay_unittest.cc",
+      "agc/agc_manager_direct_unittest.cc",
+      "agc/loudness_histogram_unittest.cc",
+      "agc/mock_agc.h",
+      "audio_buffer_unittest.cc",
+      "beamformer/array_util_unittest.cc",
+      "beamformer/complex_matrix_unittest.cc",
+      "beamformer/covariance_matrix_generator_unittest.cc",
+      "beamformer/matrix_unittest.cc",
+      "beamformer/mock_nonlinear_beamformer.h",
+      "beamformer/nonlinear_beamformer_unittest.cc",
+      "config_unittest.cc",
+      "echo_cancellation_impl_unittest.cc",
+      "splitting_filter_unittest.cc",
+      "transient/dyadic_decimator_unittest.cc",
+      "transient/file_utils.cc",
+      "transient/file_utils.h",
+      "transient/file_utils_unittest.cc",
+      "transient/moving_moments_unittest.cc",
+      "transient/transient_detector_unittest.cc",
+      "transient/transient_suppressor_unittest.cc",
+      "transient/wpd_node_unittest.cc",
+      "transient/wpd_tree_unittest.cc",
+      "utility/block_mean_calculator_unittest.cc",
+      "utility/delay_estimator_unittest.cc",
+      "vad/gmm_unittest.cc",
+      "vad/pitch_based_vad_unittest.cc",
+      "vad/pitch_internal_unittest.cc",
+      "vad/pole_zero_filter_unittest.cc",
+      "vad/standalone_vad_unittest.cc",
+      "vad/vad_audio_proc_unittest.cc",
+      "vad/vad_circular_buffer_unittest.cc",
+      "vad/voice_activity_detector_unittest.cc",
+    ]
+
+    deps = [
+      ":audio_processing",
+      ":audioproc_debug_proto",
+      ":audioproc_test_utils",
+      "../..:webrtc_common",
+      "../../base:gtest_prod",
+      "../../base:rtc_base",
+      "../../base:rtc_base_approved",
+      "../../common_audio:common_audio",
+      "../../system_wrappers:system_wrappers",
+      "../../test:test_support",
+      "../audio_coding:neteq_unittest_tools",
+      "//testing/gmock",
+      "//testing/gtest",
+    ]
+
+    defines = []
+
+    if (apm_debug_dump) {
+      defines += [ "WEBRTC_APM_DEBUG_DUMP=1" ]
+    } else {
+      defines += [ "WEBRTC_APM_DEBUG_DUMP=0" ]
+    }
+
+    if (rtc_enable_intelligibility_enhancer) {
+      defines += [ "WEBRTC_INTELLIGIBILITY_ENHANCER=1" ]
+      sources += [
+        "intelligibility/intelligibility_enhancer_unittest.cc",
+        "intelligibility/intelligibility_utils_unittest.cc",
+      ]
+    } else {
+      defines += [ "WEBRTC_INTELLIGIBILITY_ENHANCER=0" ]
+    }
+
+    if (rtc_prefer_fixed_point) {
+      defines += [ "WEBRTC_AUDIOPROC_FIXED_PROFILE" ]
+    } else {
+      defines += [ "WEBRTC_AUDIOPROC_FLOAT_PROFILE" ]
+    }
+
+    if (rtc_enable_protobuf) {
+      defines += [ "WEBRTC_AUDIOPROC_DEBUG_DUMP" ]
+      deps += [
+        ":audioproc_protobuf_utils",
+        ":audioproc_unittest_proto",
+      ]
+      sources += [
+        "aec3/block_framer_unittest.cc",
+        "aec3/block_processor_unittest.cc",
+        "aec3/cascaded_biquad_filter_unittest.cc",
+        "aec3/echo_canceller3_unittest.cc",
+        "aec3/frame_blocker_unittest.cc",
+        "aec3/mock/mock_block_processor.h",
+        "audio_processing_impl_locking_unittest.cc",
+        "audio_processing_impl_unittest.cc",
+        "audio_processing_unittest.cc",
+        "echo_cancellation_bit_exact_unittest.cc",
+        "echo_control_mobile_unittest.cc",
+        "echo_detector/circular_buffer_unittest.cc",
+        "echo_detector/mean_variance_estimator_unittest.cc",
+        "echo_detector/moving_max_unittest.cc",
+        "echo_detector/normalized_covariance_estimator_unittest.cc",
+        "gain_control_unittest.cc",
+        "level_controller/level_controller_unittest.cc",
+        "level_estimator_unittest.cc",
+        "low_cut_filter_unittest.cc",
+        "noise_suppression_unittest.cc",
+        "residual_echo_detector_unittest.cc",
+        "rms_level_unittest.cc",
+        "test/bitexactness_tools.cc",
+        "test/bitexactness_tools.h",
+        "test/debug_dump_replayer.cc",
+        "test/debug_dump_replayer.h",
+        "test/debug_dump_test.cc",
+        "test/test_utils.h",
+        "voice_detection_unittest.cc",
+      ]
+    }
+
+    if ((!build_with_chromium || is_win) && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+    }
+  }
+
   rtc_source_set("audio_processing_perf_tests") {
     # Has problems with autogenerated targets on Android and iOS
     # Dependency chain (there may also be others):