[Device Service] Move PowerMonitor into the Device Service

content/browser/service_manager/service_manager_context.h

Index: content/browser/service_manager/service_manager_context.h
diff --git a/content/browser/service_manager/service_manager_context.h b/content/browser/service_manager/service_manager_context.h
index d2c025c12b4b46bf91f7c82ece6363445d48fdcf..b5001cdde1618458d13315a1b43efe4bc83c88bf 100644
--- a/content/browser/service_manager/service_manager_context.h
+++ b/content/browser/service_manager/service_manager_context.h
@@ -5,11 +5,14 @@
 #ifndef CONTENT_BROWSER_SERVICE_MANAGER_SERVICE_MANAGER_CONTEXT_H_
 #define CONTENT_BROWSER_SERVICE_MANAGER_SERVICE_MANAGER_CONTEXT_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 
 namespace service_manager {
+class Connection;
 class Connector;
 }
 
@@ -31,6 +34,12 @@ class CONTENT_EXPORT ServiceManagerContext {
 
   scoped_refptr<InProcessServiceManagerContext> in_process_context_;
 
+  // A connection to device service, will be set up on startup to trigger
+  // creating a device service instance beforehand, as device service is
+  // singletion service, later the same instance will serve all the clients
+  // wanting to connect to device service.
+  std::unique_ptr<service_manager::Connection> device_connection_;
+
   DISALLOW_COPY_AND_ASSIGN(ServiceManagerContext);
 };