Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

device/battery/battery.gyp

Index: device/battery/battery.gyp
diff --git a/device/battery/battery.gyp b/device/battery/battery.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..a2e910f8ad5fb840521740a5af59a402a81616cc
--- /dev/null
+++ b/device/battery/battery.gyp
@@ -0,0 +1,148 @@
+# 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.
+
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+  'targets': [
+    {
+      # GN version: //device/battery:battery_mojo
+      'target_name': 'device_battery_mojo_bindings',
+      'type': 'static_library',
+      'includes': [
+        '../../mojo/public/tools/bindings/mojom_bindings_generator.gypi',
+      ],
+      'sources': [
+        'battery_monitor.mojom',
+        'battery_status.mojom',
+      ],
+    },
+    {
+      # GN version: //device/battery
+      'target_name': 'device_battery',
+      'type': '<(component)',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+        '../../mojo/mojo_base.gyp:mojo_cpp_bindings',
+        '../../mojo/mojo_base.gyp:mojo_environment_chromium',
+        '../../mojo/mojo_base.gyp:mojo_system_impl',
+        'device_battery_mojo_bindings',
+      ],
+      'defines': [
+        'DEVICE_BATTERY_IMPLEMENTATION',
+      ],
+      'sources': [
+        'android/battery_jni_registrar.cc',
+        'android/battery_jni_registrar.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_manager.h',
+        'battery_status_service.cc',
+        'battery_status_service.h',
+      ],
+      'conditions': [
+        ['OS == "android"', {
+          'dependencies': [
+            'device_battery_jni_headers',
+          ],
+          'sources!': [
+            'battery_status_manager_default.cc',
+          ],
+        }],
+        ['chromeos==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:dbus',
+            '../../chromeos/chromeos.gyp:power_manager_proto',
+          ],
+          'sources!': [
+            'battery_status_manager_default.cc',
+            'battery_status_manager_linux.cc',
+          ],
+        }],
+        ['OS == "linux" and use_dbus==1', {
+          'sources!': [
+            'battery_status_manager_default.cc',
+          ],
+          'dependencies': [
+            '../../build/linux/system.gyp:dbus',
+            '../../dbus/dbus.gyp:dbus',
+          ],
+        }, {  # OS != "linux" or use_dbus==0
+          'sources!': [
+            'battery_status_manager_linux.cc',
+          ],
+        }],
+        ['OS == "mac"', {
+          'sources!': [
+            'battery_status_manager_default.cc',
+          ],
+        }],
+        ['OS == "win"', {
+          'sources!': [
+            'battery_status_manager_default.cc',
+          ],
+        }],
+      ],
+    },
+  ],
+  'conditions': [
+    ['OS == "android"', {
+      'targets': [
+        {
+          'target_name': 'device_battery_jni_headers',
+          'type': 'none',
+          'sources': [
+            'android/java/src/org/chromium/device/battery/BatteryStatusManager.java',
+          ],
+          'variables': {
+            'jni_gen_package': 'device_battery',
+          },
+          'includes': [ '../../build/jni_generator.gypi' ],
+        },
+        {
+          'target_name': 'device_battery_java',
+          'type': 'none',
+          'dependencies': [
+            '../../base/base.gyp:base',
+          ],
+          'variables': {
+            'java_in_dir': '../../device/battery/android/java',
+          },
+          'conditions': [
+            ['android_webview_build == 0', {
+              'dependencies': [
+                '../../third_party/guava/guava.gyp:guava_javalib',
+              ],
+            }],
+          ],
+          'includes': [ '../../build/java.gypi' ],
+        },
+        {
+          'target_name': 'device_battery_javatests',
+          'type': 'none',
+          'variables': {
+            'java_in_dir': '../../device/battery/android/javatests',
+          },
+          'dependencies': [
+            '../../base/base.gyp:base',
+            '../../base/base.gyp:base_java_test_support',
+            'device_battery_java',
+          ],
+          'includes': [ '../../build/java.gypi' ],
+        },
+      ],
+    }],
+  ],
+}