Revert of Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

device/battery/android/battery_jni_registrar.cc

Index: device/battery/android/battery_jni_registrar.cc
diff --git a/device/battery/android/battery_jni_registrar.cc b/device/battery/android/battery_jni_registrar.cc
deleted file mode 100644
index 91da4613c946e75eb329598937e101a2c7ead0f3..0000000000000000000000000000000000000000
--- a/device/battery/android/battery_jni_registrar.cc
+++ /dev/null
@@ -1,27 +0,0 @@
-// 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.
-
-#include "device/battery/android/battery_jni_registrar.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_registrar.h"
-#include "device/battery/battery_status_manager_android.h"
-
-namespace device {
-namespace android {
-namespace {
-
-base::android::RegistrationMethod kRegisteredMethods[] = {
-    { "BatteryStatusManager", BatteryStatusManagerAndroid::Register },
-};
-
-}  // namespace
-
-bool RegisterBatteryJni(JNIEnv* env) {
-  return RegisterNativeMethods(
-      env, kRegisteredMethods, arraysize(kRegisteredMethods));
-}
-
-}  // namespace android
-}  // namespace device