Move NetworkStateNotifier and NetworkConnect from src/ui

ash/mus/network_connect_delegate_mus.h

Index: ash/mus/network_connect_delegate_mus.h
diff --git a/ash/mus/network_connect_delegate_mus.h b/ash/mus/network_connect_delegate_mus.h
index 7a3356a2a1f25f20e6fe6030182aa593c6fb4ebc..be83f3a94cc55d73c952e1713a6414c3fd7587f0 100644
--- a/ash/mus/network_connect_delegate_mus.h
+++ b/ash/mus/network_connect_delegate_mus.h
@@ -6,26 +6,29 @@
 #define ASH_MUS_NETWORK_CONNECT_DELEGATE_MUS_H_
 
 #include "base/macros.h"
-#include "ui/chromeos/network/network_connect.h"
+#include "chromeos/network/network_connect.h"
 
 namespace ash {
 namespace mus {
 
 // Routes requests to show network config UI over the mojom::SystemTrayClient
 // interface.
-// TODO(mash): Replace ui::NetworkConnect::Delegate with a client interface on
+// TODO(mash): Replace NetworkConnect::Delegate with a client interface on
 // a mojo NetworkConfig service. http://crbug.com/644355
-class NetworkConnectDelegateMus : public ui::NetworkConnect::Delegate {
+class NetworkConnectDelegateMus : public chromeos::NetworkConnect::Delegate {
  public:
   NetworkConnectDelegateMus();
   ~NetworkConnectDelegateMus() override;
 
-  // ui::NetworkConnect::Delegate:
+  // chromeos::NetworkConnect::Delegate:
   void ShowNetworkConfigure(const std::string& network_id) override;
   void ShowNetworkSettings(const std::string& network_id) override;
   bool ShowEnrollNetwork(const std::string& network_id) override;
   void ShowMobileSimDialog() override;
   void ShowMobileSetupDialog(const std::string& network_id) override;
+  void ShowNetworkConnectError(const std::string& error_name,
+                               const std::string& network_id) override;
+  void ShowMobileActivationError(const std::string& network_id) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkConnectDelegateMus);