Replace remaining shell references with service manager

content/common/service_manager/child_connection.h

Index: content/common/service_manager/child_connection.h
diff --git a/content/common/service_manager/child_connection.h b/content/common/service_manager/child_connection.h
index a6675491157e1381bfd4a15c1888271bded6de00..dcc93504e34c5e3f1297c8e59e175492344ec4d7 100644
--- a/content/common/service_manager/child_connection.h
+++ b/content/common/service_manager/child_connection.h
@@ -25,9 +25,9 @@ class Connector;
 
 namespace content {
 
-// Helper class to establish a connection between the shell and a single child
-// process. Process hosts can use this when launching new processes which
-// should be registered with the service manager.
+// Helper class to establish a connection between the Service Manager and a
+// single child process. Process hosts can use this when launching new processes
+// which should be registered with the service manager.
 class CONTENT_EXPORT ChildConnection {
  public:
   // Prepares a new child connection for a child process which will be
@@ -51,7 +51,7 @@ class CONTENT_EXPORT ChildConnection {
 
   // A token which must be passed to the child process via
   // |switches::kPrimordialPipeToken| in order for the child to initialize its
-  // end of the shell connection pipe.
+  // end of the Service Manager connection pipe.
   std::string service_token() const { return service_token_; }
 
   // Sets the child connection's process handle. This should be called as soon