Reland "Replace Chrome IPC with Mojo IPC for querying BatteryStatus service"

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index 233039b2a53afe136a079a7b4813a47264a9a20e..4fbe56ffe40d63e7bcabd7312905fa30a364268d 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -290,6 +290,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // Creates and adds the IO thread message filters.
   void CreateMessageFilters();
 
+  // Registers Mojo services to be exposed to the renderer.
+  void RegisterMojoServices();
+
   // Control message handlers.
   void OnShutdownRequest();
   void OnDumpHandlesDone();