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

device/battery/BUILD.gn

Index: device/battery/BUILD.gn
diff --git a/device/battery/BUILD.gn b/device/battery/BUILD.gn
deleted file mode 100644
index 498643c7b785c7423f5585629b70b5200c11297d..0000000000000000000000000000000000000000
--- a/device/battery/BUILD.gn
+++ /dev/null
@@ -1,103 +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.
-
-import("//build/config/features.gni")
-import("//mojo/public/tools/bindings/mojom.gni")
-
-component("battery") {
-  output_name = "device_battery"
-
-  sources = [
-    "battery_export.h",
-    "battery_monitor_impl.cc",
-    "battery_monitor_impl.h",
-    "battery_status_manager_android.cc",
-    "battery_status_manager_android.h",
-    "battery_status_manager_chromeos.cc",
-    "battery_status_manager_default.cc",
-    "battery_status_manager_linux.cc",
-    "battery_status_manager_linux.h",
-    "battery_status_manager_mac.cc",
-    "battery_status_manager_win.cc",
-    "battery_status_manager_win.h",
-    "battery_status_service.cc",
-    "battery_status_service.h",
-  ]
-
-  defines = [
-    "DEVICE_BATTERY_IMPLEMENTATION",
-  ]
-
-  deps = [
-    ":mojo_bindings",
-    "//base",
-    "//base/third_party/dynamic_annotations",
-    "//mojo/environment:chromium",
-    "//mojo/public/cpp/bindings",
-    "//mojo/edk/system",
-  ]
-
-  if (is_android) {
-    deps += [
-      "//device/battery/android:battery_jni_headers",
-    ]
-    sources += [
-      "android/battery_jni_registrar.h",
-      "android/battery_jni_registrar.cc",
-    ]
-    sources -= [
-      "battery_status_manager_default.cc",
-    ]
-  }
-
-  if (is_chromeos) {
-    configs += [
-      "//build/config/linux:dbus",
-    ]
-    deps += [
-      "//chromeos:power_manager_proto",
-    ]
-    sources -= [
-      "battery_status_manager_default.cc",
-      "battery_status_manager_linux.cc",
-    ]
-  }
-
-  if (is_linux) {
-    if (use_dbus) {
-      configs += [
-        "//build/config/linux:dbus",
-      ]
-      deps += [
-        "//dbus"
-      ]
-      sources -= [
-        "battery_status_manager_default.cc",
-      ]
-    } else {
-      sources -= [
-        "battery_status_manager_linux.cc",
-      ]
-    }
-  }
-
-  if (is_mac) {
-    sources -= [
-      "battery_status_manager_default.cc",
-    ]
-  }
-
-  if (is_win) {
-    sources -= [
-      "battery_status_manager_default.cc",
-    ]
-  }
-}
-
-mojom("mojo_bindings") {
-  sources = [
-    "battery_monitor.mojom",
-    "battery_status.mojom",
-  ]
-}