Handle the dual microphones and dual cameras cases. Activate the proper microphone when user activa…

media/base/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//media/media_options.gni")
@@ skipping 324 matching lines @@
     sources += [
       "keyboard_event_counter.cc",
       "keyboard_event_counter.h",
     ]
   }
 }
 
 source_set("video_facing") {
   visibility = [
     "//chromeos",
+    "//chromeos:chromeos_unittests",
     "//content/browser",
     "//content/public/common:common_sources",
     "//media/base",
     "//media/capture",
   ]
   sources = [
     "video_facing.h",
   ]
 }
 
@@ skipping 200 matching lines @@
 
 fuzzer_test("media_container_names_fuzzer") {
   sources = [
     "container_names_fuzzertest.cc",
   ]
   deps = [
     "//base",
     "//media",
   ]
 }