Reland of Add arraysize to rtc_base_approved. Remove dependency of audio_device on rtc_base.

webrtc/modules/audio_device/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/webrtc.gni")
 
@@ skipping 35 matching lines @@
       "-Wno-unused-private-field",
     ]
   }
 }
 
 rtc_source_set("audio_device") {
   public_configs = [ ":audio_device_config" ]
 
   deps = [
     "../..:webrtc_common",
-    "../../base:rtc_base",
     "../../base:rtc_base_approved",
     "../../base:rtc_task_queue",
     "../../common_audio",
     "../../system_wrappers",
     "../utility",
   ]
 
   sources = [
     "audio_device_buffer.cc",
     "audio_device_buffer.h",
@@ skipping 101 matching lines @@
 
           "AudioToolbox.framework",
           "CoreAudio.framework",
 
           # Needed for CGEventSourceKeyState in audio_device_mac.cc:
           "CoreGraphics.framework",
         ]
       }
       if (is_ios) {
         public_deps = [
+          "../../base:rtc_base",
           "../../sdk:rtc_sdk_common_objc",
         ]
         sources += [
           "ios/audio_device_ios.h",
           "ios/audio_device_ios.mm",
           "ios/audio_device_not_implemented_ios.mm",
           "ios/audio_session_observer.h",
           "ios/objc/RTCAudioSession+Configuration.mm",
           "ios/objc/RTCAudioSession+Private.h",
           "ios/objc/RTCAudioSession.h",
@@ skipping 67 matching lines @@
       "../../system_wrappers",
       "../../test:test_support",
       "../../test:test_support_main",
       "../rtp_rtcp",
       "../utility",
       "//testing/gtest",
     ]
     public_configs = [ ":audio_device_config" ]
   }
 }