Rename shell namespace to service_manager

ash/common/shell_delegate.h

Index: ash/common/shell_delegate.h
diff --git a/ash/common/shell_delegate.h b/ash/common/shell_delegate.h
index f0d61707f2ec9d927f0c47c50369e6cff4b080e0..e7f15a22450f2eb8edd2db18aa9687238a9bcade 100644
--- a/ash/common/shell_delegate.h
+++ b/ash/common/shell_delegate.h
@@ -27,12 +27,12 @@ namespace keyboard {
 class KeyboardUI;
 }
 
-namespace ui {
-class MenuModel;
+namespace service_manager {
+class Connector;
 }
 
-namespace shell {
-class Connector;
+namespace ui {
+class MenuModel;
 }
 
 namespace views {
@@ -62,7 +62,7 @@ class ASH_EXPORT ShellDelegate {
   virtual ~ShellDelegate() {}
 
   // Returns the connector for the mojo service manager. Returns null in tests.
-  virtual ::shell::Connector* GetShellConnector() const = 0;
+  virtual service_manager::Connector* GetShellConnector() const = 0;
 
   // Returns true if this is the first time that the shell has been run after
   // the system has booted.  false is returned after the shell has been