Make crazy linker work in gn build

content/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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
 source_set("browser") {
@@ skipping 314 matching lines @@
       "speech/google_streaming_remote_engine.cc",
       "speech/google_streaming_remote_engine.h",
       "speech/speech_recognition_engine.cc",
       "speech/speech_recognition_engine.h",
       "speech/speech_recognizer_impl.cc",
       "speech/speech_recognizer_impl.h",
     ]
     deps += [
       "//content/public/android:jni",
       "//media",
+      "//mojo/android:libsystem_java",
     ]
     libs += [ "jnigraphics" ]
   }
 
   if (is_mac) {
     sources -= [
       "device_sensors/data_fetcher_shared_memory_default.cc",
       "geolocation/empty_wifi_data_provider.cc",
       "geolocation/empty_wifi_data_provider.h",
     ]
@@ skipping 73 matching lines @@
 
   if (enable_browser_cdms) {
     sources += [
       "media/cdm/browser_cdm_manager.cc",
       "media/cdm/browser_cdm_manager.h",
       "media/media_web_contents_observer.cc",
       "media/media_web_contents_observer.h",
     ]
   }
 }