Rename shell namespace to service_manager

services/service_manager/runner/host/host_unittests.cc

Index: services/service_manager/runner/host/host_unittests.cc
diff --git a/services/service_manager/runner/host/host_unittests.cc b/services/service_manager/runner/host/host_unittests.cc
index 4f34c76b7b87c8ba33dd8127a7b0821142f7b1f7..2e91efc04e28e585f6e0e47441dfedcaf1f24a5b 100644
--- a/services/service_manager/runner/host/host_unittests.cc
+++ b/services/service_manager/runner/host/host_unittests.cc
@@ -19,12 +19,12 @@ int main(int argc, char** argv) {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
-  shell::WaitForDebuggerIfNecessary();
+  service_manager::WaitForDebuggerIfNecessary();
 
   if (command_line.HasSwitch(switches::kChildProcess)) {
     base::AtExitManager at_exit;
 
-    return shell::ChildProcessMain();
+    return service_manager::ChildProcessMain();
   }
 
   mojo::edk::Init();