Make browser process a singleton service

content/public/common/service_manager_connection.h

Index: content/public/common/service_manager_connection.h
diff --git a/content/public/common/service_manager_connection.h b/content/public/common/service_manager_connection.h
index 4386b768598c9ff62b71198d948a2c898464ef58..ec82e3b726bc861400130008aceb833d17d803a0 100644
--- a/content/public/common/service_manager_connection.h
+++ b/content/public/common/service_manager_connection.h
@@ -77,10 +77,6 @@ class CONTENT_EXPORT ServiceManagerConnection {
   // below.
   virtual void Start() = 0;
 
-  // Sets a closure to be invoked once the connection receives an Initialize()
-  // request from the shell.
-  virtual void SetInitializeHandler(const base::Closure& handler) = 0;
-
   // Returns the service_manager::Connector received via this connection's
   // Service
   // implementation. Use this to initiate connections as this object's Identity.