Rename shell namespace to service_manager

mojo/public/cpp/bindings/tests/versioning_test_service.cc

Index: mojo/public/cpp/bindings/tests/versioning_test_service.cc
diff --git a/mojo/public/cpp/bindings/tests/versioning_test_service.cc b/mojo/public/cpp/bindings/tests/versioning_test_service.cc
index 0a10294893d3ee1ec2b8f2c7283d5416abbea524..313a6249e212f5d4f33c80e10ae5e11cd48837a4 100644
--- a/mojo/public/cpp/bindings/tests/versioning_test_service.cc
+++ b/mojo/public/cpp/bindings/tests/versioning_test_service.cc
@@ -95,12 +95,12 @@ class HumanResourceDatabaseImpl : public HumanResourceDatabase {
 };
 
 class HumanResourceSystemServer
-    : public shell::Service,
+    : public service_manager::Service,
       public InterfaceFactory<HumanResourceDatabase> {
  public:
   HumanResourceSystemServer() {}
 
-  // shell::Service implementation.
+  // service_manager::Service implementation.
   bool OnConnect(Connection* connection) override {
     connection->AddInterface<HumanResourceDatabase>(this);
     return true;