Revert of Media Router GYP/GN cleanup

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 # //build/config/android/rules.gni imports //tools/grit/grit_rule.gni, which
@@ skipping 777 matching lines @@
     if (is_win || is_mac) {
       # TODO(brettw) as of this writing wifi bootstrapping is set on Windows
       # and Mac, so this test is meaningless. Can we merge these lists?
       sources += rebase_path(
               gypi_values.chrome_browser_wifi_bootstrapping_win_mac_sources,
               ".",
               "//chrome")
     }
   }
   if (enable_media_router) {
-    deps += [ "//chrome/browser/media/router" ]
+    defines += [ "ENABLE_MEDIA_ROUTER=1" ]
   }
 }
 
 if (is_android) {
   # GYP version: chrome/chrome_browser.gypi:chrome_browser_jni_headers
   generate_jni("jni_headers") {
     sources =
         rebase_path(gypi_values.chrome_browser_jni_sources, ".", "//chrome")
     jni_package = "chrome"
   }
@@ skipping 330 matching lines @@
     ]
   }
 
   if (enable_wifi_bootstrapping) {
     sources += [
       "local_discovery/wifi/mock_wifi_manager.cc",
       "local_discovery/wifi/mock_wifi_manager.h",
     ]
   }
 }