Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

content/content_tests.gypi

Index: content/content_tests.gypi
diff --git a/content/content_tests.gypi b/content/content_tests.gypi
index ae0bd5dcda81e0e72e1a48a0cccee24da0a01427..9b4fae9f50d7f390a66d235a7436b2e2238a73f6 100644
--- a/content/content_tests.gypi
+++ b/content/content_tests.gypi
@@ -397,9 +397,6 @@
         'browser/appcache/mock_appcache_storage.cc',
         'browser/appcache/mock_appcache_storage.h',
         'browser/appcache/mock_appcache_storage_unittest.cc',
-        'browser/battery_status/battery_status_manager_linux_unittest.cc',
-        'browser/battery_status/battery_status_manager_win_unittest.cc',
-        'browser/battery_status/battery_status_service_unittest.cc',
         'browser/browser_thread_unittest.cc',
         'browser/browser_url_handler_impl_unittest.cc',
         'browser/byte_stream_unittest.cc',
@@ -688,7 +685,6 @@
         'renderer/active_notification_tracker_unittest.cc',
         'renderer/android/email_detector_unittest.cc',
         'renderer/android/phone_number_detector_unittest.cc',
-        'renderer/battery_status/battery_status_dispatcher_unittest.cc',
         'renderer/bmp_image_decoder_unittest.cc',
         'renderer/device_sensors/device_light_event_pump_unittest.cc',
         'renderer/device_sensors/device_motion_event_pump_unittest.cc',
@@ -888,7 +884,6 @@
             '../chromeos/chromeos.gyp:chromeos',
           ],
           'sources/': [
-            ['exclude', '^browser/battery_status/battery_status_manager_linux_unittest.cc'],
             ['exclude', '^browser/geolocation/wifi_data_provider_linux_unittest.cc'],
           ],
         }],
@@ -941,7 +936,6 @@
         }],
         ['use_dbus==0', {
           'sources!': [
-            'browser/battery_status/battery_status_manager_linux_unittest.cc',
             'browser/geolocation/wifi_data_provider_linux_unittest.cc',
           ],
         }],
@@ -1105,6 +1099,8 @@
             'test_support_content',
             'web_ui_test_mojo_bindings',
             '../base/base.gyp:test_support_base',
+            '../device/battery/battery.gyp:device_battery',
+            '../device/battery/battery.gyp:device_battery_mojo_bindings',
             '../gin/gin.gyp:gin',
             '../gpu/gpu.gyp:gpu',
             '../ipc/ipc.gyp:test_support_ipc',
@@ -1762,6 +1758,7 @@
             '../base/base.gyp:base_java',
             '../base/base.gyp:base_javatests',
             '../base/base.gyp:base_java_test_support',
+            '../device/battery/battery.gyp:device_battery_javatests',
             '../media/media.gyp:media_java',
             '../media/media.gyp:media_test_support',
             '../net/net.gyp:net_java',