Replace remaining shell references with service manager

services/service_manager/public/cpp/service_context.h

Index: services/service_manager/public/cpp/service_context.h
diff --git a/services/service_manager/public/cpp/service_context.h b/services/service_manager/public/cpp/service_context.h
index e898079dcbff3fc87b949b9d45446a21b2c91e6d..79ac6933fce3b640185457fd1c32d0e0b38482b0 100644
--- a/services/service_manager/public/cpp/service_context.h
+++ b/services/service_manager/public/cpp/service_context.h
@@ -58,7 +58,8 @@ class ServiceContext : public mojom::Service {
   Connector* connector() { return connector_.get(); }
   const Identity& identity() { return identity_; }
 
-  // Specify a function to be called when the connection to the shell is lost.
+  // Specify a function to be called when the connection to the service manager
+  // is lost.
   // Note that if connection has already been lost, then |closure| is called
   // immediately.
   void SetConnectionLostClosure(const base::Closure& closure);