MediaCaptureFromElement: add support for audio captureStream().

content/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build_overrides/v8.gni")
@@ skipping 708 matching lines @@
       "//ppapi/shared_impl:test_support",
     ]
   }
 
   if (enable_webrtc) {
     sources +=
         rebase_path(content_tests_gypi_values.content_unittests_webrtc_sources,
                     ".",
                     "//content")
     deps += [
+      "//media/blink",
       "//third_party/libjingle:libjingle_webrtc",
       "//third_party/webrtc/base:rtc_base",
       "//third_party/webrtc/modules/desktop_capture:primitives",
       "//third_party/webrtc/modules/video_capture",
       "//ui/shell_dialogs:shell_dialogs",
     ]
 
     if (is_linux || is_mac || is_win) {
       sources +=
           [ "../browser/media/capture/desktop_capture_device_unittest.cc" ]
@@ skipping 155 matching lines @@
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }