Pass camera facing info to audio client

media/capture/BUILD.gn

 # Copyright 2016 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/features.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
 component("capture") {
   defines = [ "CAPTURE_IMPLEMENTATION" ]
@@ skipping 74 matching lines @@
     "video/win/video_capture_device_mf_win.cc",
     "video/win/video_capture_device_mf_win.h",
     "video/win/video_capture_device_win.cc",
     "video/win/video_capture_device_win.h",
     "video_capture_types.cc",
     "video_capture_types.h",
     "video_capturer_source.cc",
     "video_capturer_source.h",
   ]
 
-  public_deps = []
+  public_deps = [
+    "//media/base:video_facing",
+  ]
   deps = [
     "//base",
     "//base:i18n",
     "//media",
     "//media/capture/mojo:image_capture",
     "//skia",
     "//third_party/libyuv",
     "//ui/display",
     "//ui/gfx",
   ]
@@ skipping 87 matching lines @@
       "//media/capture/video/android",
       "//media/capture/video/android:capture_java",
     ]
   }
 
   if (is_win) {
     # TODO(jschuh): https://crbug.com/167187 fix size_t to int truncations.
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
   }
 }