Move shell service to toplevel shell namespace

services/shell/tests/connect/connect_test_singleton_app.cc

Index: services/shell/tests/connect/connect_test_singleton_app.cc
diff --git a/services/shell/tests/connect/connect_test_singleton_app.cc b/services/shell/tests/connect/connect_test_singleton_app.cc
index ff23fdcc9c0870e2c11f8f3c54d12e545784f784..51a2a3ecd45604a9140e9a09130dc53053092a67 100644
--- a/services/shell/tests/connect/connect_test_singleton_app.cc
+++ b/services/shell/tests/connect/connect_test_singleton_app.cc
@@ -7,7 +7,6 @@
 #include "services/shell/public/cpp/application_runner.h"
 #include "services/shell/public/cpp/shell_client.h"
 
-namespace mojo {
 namespace shell {
 
 class ConnectTestSingletonApp : public ShellClient {
@@ -16,7 +15,7 @@ class ConnectTestSingletonApp : public ShellClient {
   ~ConnectTestSingletonApp() override {}
 
  private:
-  // mojo::ShellClient:
+  // shell::ShellClient:
   void Initialize(Connector* connector, const Identity& identity,
                   uint32_t id) override {}
   bool AcceptConnection(Connection* connection) override {
@@ -27,10 +26,9 @@ class ConnectTestSingletonApp : public ShellClient {
 };
 
 }  // namespace shell
-}  // namespace mojo
 
 
 MojoResult MojoMain(MojoHandle shell_handle) {
-  return mojo::ApplicationRunner(
-      new mojo::shell::ConnectTestSingletonApp).Run(shell_handle);
+  return shell::ApplicationRunner(new shell::ConnectTestSingletonApp)
+      .Run(shell_handle);
 }