Replace Chrome IPC with Mojo IPC for querying BatteryStatus service

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index 88f7fd748a697a10a689980df81e9ebff55ba63e..d101ebe12cc717a1b56c736cc3a50f1ae7cce9c5 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -24,6 +24,7 @@ source_set("browser") {
     "//content/browser/speech/proto",
     "//content/public/common:common_sources",
     "//crypto",
+    "//device/battery",
     "//google_apis",
     "//net",
     "//skia",
@@ -261,16 +262,8 @@ source_set("browser") {
     sources -= [ "power_save_blocker_x11.cc", ]
   }
 
-  # Dealing with battery_status_manager_*.cc and *wifi_data_provider_*.cc
-  # is also a bit complicated given android, chromeos, linux and use_dbus.
-  if (is_android || is_chromeos || (is_linux && use_dbus)) {
-    sources -= [ "battery_status/battery_status_manager_default.cc" ]
-  }
-  if (is_linux && !use_dbus) {
-    # This will already have gotten removed for all non-Linux cases.
-    sources -= [ "battery_status/battery_status_manager_linux.cc" ]
-  }
-
+  # Dealing with *wifi_data_provider_*.cc is also a bit complicated given
+  # android, chromeos, linux and use_dbus.
   if (is_android) {
     sources -= [ "geolocation/wifi_data_provider_common.cc" ]
   }
@@ -406,6 +399,6 @@ source_set("browser") {
   }
 
   if (is_linux && use_dbus) {
-      deps += [ "//dbus" ]
+    deps += [ "//dbus" ]
   }
 }