Fix Chrome linker errors in GN build.

chrome/browser/extensions/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../../chrome_browser_extensions.gypi") ],
     "scope",
     [ "../../chrome_browser_extensions.gypi" ])
 
 # GYP version: chrome/chrome_browser_extensions.gypi:browser_extensions
 static_library("extensions") {
   sources = []
   sources += rebase_path(
       gypi_values.chrome_browser_extensions_enabled_sources,
       ".", "//chrome")
 
   defines = []
 
-  # TODO(GYP) remove this when webrtc is ported.
-  configs += [ "//content:webrtc_stub_config" ]
-
   # Since browser and browser_extensions actually depend on each other,
   # we must omit the dependency from browser_extensions to browser.
   # However, this means browser_extensions and browser should more or less
   # have the same dependencies. Once browser_extensions is untangled from
   # browser, then we can clean up these dependencies.
   deps = [
     "//chrome:extra_resources",
     "//chrome:resources",
     "//chrome:strings",
     "//chrome/app/resources:platform_locale_settings",
@@ skipping 22 matching lines @@
     "//extensions/common/api:api_registration",
     "//extensions/strings",
     "//net",
     "//skia",
     "//sync",
     "//third_party/WebKit/public:resources",
     "//third_party/cacheinvalidation",
     "//third_party/icu",
     "//third_party/leveldatabase",
     "//third_party/re2",
+    "//third_party/webrtc/modules/desktop_capture",
     "//ui/accessibility:ax_gen",
     "//ui/base",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/resources",
     "//ui/strings",
     "//url",
     "//webkit/browser:storage",
     "//webkit/common:storage_common",
-    #"../third_party/webrtc/modules/modules.gyp:desktop_capture",  TODO(GYP)
   ]
 
   forward_dependent_configs_from = [
     "//chrome/common/extensions/api",
     "//content/public/browser",
   ]
 
+  # TODO(GYP) This config should be a direct_dependent_config of 
+  # //third_party/webrtc/modules/desktop_capture so we shouldn't have to
+  # include it here. Remove this line when the direct_dependent_config is set.
+  configs += [ "//third_party/webrtc:common_inherited_config" ]
+
   if (is_chromeos) {
     sources += rebase_path(
         gypi_values.chrome_browser_extensions_chromeos_sources,
         ".", "//chrome")
     configs += [ "//build/config/linux:dbus" ]
     deps += [
       "//third_party/libevent",
       "//third_party/protobuf:protobuf_lite",
       #'../chromeos/ime/input_method.gyp:gencode',  TODO(GYP)
     ]
@@ skipping 108 matching lines @@
         gypi_values.chrome_browser_extensions_app_list_sources,
         ".", "//chrome")
   }
 
   if (!use_ozone) {
     sources -= [
       "global_shortcut_listener_ozone.cc",
     ]
   }
 }