Revert of [BackgroundSync] Trigger Background Sync events when Chrome is backgrounded on Android

content/browser/android/browser_jni_registrar.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/android/browser_jni_registrar.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "content/browser/accessibility/browser_accessibility_android.h"
 #include "content/browser/accessibility/browser_accessibility_manager_android.h"
 #include "content/browser/android/background_sync_launcher_android.h"
-#include "content/browser/android/background_sync_network_observer_android.h"
 #include "content/browser/android/browser_startup_controller.h"
 #include "content/browser/android/child_process_launcher_android.h"
 #include "content/browser/android/composited_touch_handle_drawable.h"
 #include "content/browser/android/content_readback_handler.h"
 #include "content/browser/android/content_video_view.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/android/content_view_render_view.h"
 #include "content/browser/android/content_view_statics.h"
 #include "content/browser/android/date_time_chooser_android.h"
 #include "content/browser/android/download_controller_android_impl.h"
@@ skipping 21 matching lines @@
 #include "content/browser/vr/android/cardboard/cardboard_vr_device.h"
 #include "content/browser/web_contents/web_contents_android.h"
 #include "mojo/android/system/core_impl.h"
 
 namespace {
 base::android::RegistrationMethod kContentRegisteredMethods[] = {
     {"AndroidLocationApiAdapter",
      content::AndroidLocationApiAdapter::RegisterGeolocationService},
     {"BackgroundSyncLauncherAndroid",
      content::BackgroundSyncLauncherAndroid::RegisterLauncher},
-    {"BackgroundSyncNetworkObserverAndroid",
-     content::BackgroundSyncNetworkObserverAndroid::Observer::
-         RegisterNetworkObserver},
     {"BrowserAccessibilityManager",
      content::RegisterBrowserAccessibilityManager},
     {"BrowserStartupController", content::RegisterBrowserStartupController},
 #if defined(ENABLE_WEBVR)
     {"CardboardVRDevice",
      content::CardboardVRDevice::RegisterCardboardVRDevice},
 #endif
     {"ChildProcessLauncher", content::RegisterChildProcessLauncher},
     {"ContentReadbackHandler",
      content::ContentReadbackHandler::RegisterContentReadbackHandler},
@@ skipping 48 matching lines @@
 namespace content {
 namespace android {
 
 bool RegisterBrowserJni(JNIEnv* env) {
   return RegisterNativeMethods(env, kContentRegisteredMethods,
                                arraysize(kContentRegisteredMethods));
 }
 
 }  // namespace android
 }  // namespace content