UI for 802.1x connections.

chrome/browser/chromeos/options/wifi_config_view.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/options/wifi_config_view.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
@@ skipping 10 matching lines @@
 #include "views/layout/grid_layout.h"
 #include "views/layout/layout_constants.h"
 #include "views/window/window.h"
 
 namespace chromeos {
 
 // The width of the password field.
 const int kPasswordWidth = 150;
 
 enum SecurityComboboxIndex {
-  INDEX_NONE  = 0,
-  INDEX_WEP   = 1,
-  INDEX_WPA   = 2,
-  INDEX_RSN   = 3,
-  INDEX_COUNT = 4
+  SECURITY_INDEX_NONE  = 0,
+  SECURITY_INDEX_WEP   = 1,
+  SECURITY_INDEX_WPA   = 2,
+  SECURITY_INDEX_RSN   = 3,
+  SECURITY_INDEX_COUNT = 4
 };
 
 int WifiConfigView::SecurityComboboxModel::GetItemCount() {
-  return INDEX_COUNT;
+  return SECURITY_INDEX_COUNT;
 }
 
 string16 WifiConfigView::SecurityComboboxModel::GetItemAt(int index) {
-  if (index == INDEX_NONE)
+  if (index == SECURITY_INDEX_NONE)
     return l10n_util::GetStringUTF16(
         IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY_NONE);
-  else if (index == INDEX_WEP)
+  else if (index == SECURITY_INDEX_WEP)
     return l10n_util::GetStringUTF16(
         IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY_WEP);
-  else if (index == INDEX_WPA)
+  else if (index == SECURITY_INDEX_WPA)
     return l10n_util::GetStringUTF16(
         IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY_WPA);
-  else if (index == INDEX_RSN)
+  else if (index == SECURITY_INDEX_RSN)
     return l10n_util::GetStringUTF16(
         IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY_RSN);
   NOTREACHED();
   return string16();
 }
 
+enum EAPMethodComboboxIndex {
+  EAP_METHOD_INDEX_NONE  = 0,
+  EAP_METHOD_INDEX_PEAP  = 1,
+  EAP_METHOD_INDEX_TLS   = 2,
+  EAP_METHOD_INDEX_TTLS  = 3,
+  EAP_METHOD_INDEX_LEAP  = 4,
+  EAP_METHOD_INDEX_COUNT = 5
+};
+
+int WifiConfigView::EAPMethodComboboxModel::GetItemCount() {
+  return EAP_METHOD_INDEX_COUNT;
+
+}
+
+string16 WifiConfigView::EAPMethodComboboxModel::GetItemAt(int index) {
+  if (index == EAP_METHOD_INDEX_NONE)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD_NONE);
+  else if (index == EAP_METHOD_INDEX_PEAP)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD_PEAP);
+  else if (index == EAP_METHOD_INDEX_TLS)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD_TLS);
+  else if (index == EAP_METHOD_INDEX_TTLS)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD_TTLS);
+  else if (index == EAP_METHOD_INDEX_LEAP)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD_LEAP);
+  NOTREACHED();
+  return string16();
+}
+
+enum Phase2AuthComboboxIndex {
+  PHASE_2_AUTH_INDEX_AUTO     = 0, // LEAP, EAP-TLS have only this auth.
+  PHASE_2_AUTH_INDEX_MD5      = 1,
+  PHASE_2_AUTH_INDEX_MSCHAPV2 = 2, // PEAP has up to this auth.
+  PHASE_2_AUTH_INDEX_MSCHAP   = 3,
+  PHASE_2_AUTH_INDEX_PAP      = 4,
+  PHASE_2_AUTH_INDEX_CHAP     = 5, // EAP-TTLS has up to this auth.
+  PHASE_2_AUTH_INDEX_COUNT    = 6
+};
+
+int WifiConfigView::Phase2AuthComboboxModel::GetItemCount() {
+  switch (eap_method_combobox_->selected_item()) {
+    case EAP_METHOD_INDEX_NONE:
+    case EAP_METHOD_INDEX_TLS:
+    case EAP_METHOD_INDEX_LEAP:
+      return PHASE_2_AUTH_INDEX_AUTO + 1;
+    case EAP_METHOD_INDEX_PEAP:
+      return PHASE_2_AUTH_INDEX_MSCHAPV2 + 1;
+    case EAP_METHOD_INDEX_TTLS:
+      return PHASE_2_AUTH_INDEX_CHAP + 1;
+  }
+  NOTREACHED();
+  return 0;
+}
+
+string16 WifiConfigView::Phase2AuthComboboxModel::GetItemAt(int index) {
+  if (index == PHASE_2_AUTH_INDEX_AUTO)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_AUTO);
+  else if (index == PHASE_2_AUTH_INDEX_MD5)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_MD5);
+  else if (index == PHASE_2_AUTH_INDEX_MSCHAPV2)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_MSCHAPV2);
+  else if (index == PHASE_2_AUTH_INDEX_MSCHAP)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_MSCHAP);
+  else if (index == PHASE_2_AUTH_INDEX_PAP)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_PAP);
+  else if (index == PHASE_2_AUTH_INDEX_CHAP)
+    return l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH_CHAP);
+  NOTREACHED();
+  return string16();
+}
+
 WifiConfigView::WifiConfigView(NetworkConfigView* parent,
                                const WifiNetwork* wifi)
     : parent_(parent),
-      can_login_(false),
+      is_8021x_(false),
       wifi_(new WifiNetwork(*wifi)),
       ssid_textfield_(NULL),
+      eap_method_combobox_(NULL),
+      phase_2_auth_combobox_(NULL),
       identity_textfield_(NULL),
+      identity_anonymous_textfield_(NULL),
       certificate_browse_button_(NULL),
       certificate_path_(),
       security_combobox_(NULL),
       passphrase_textfield_(NULL),
       passphrase_visible_button_(NULL),
       error_label_(NULL) {
   Init();
 }
 
 WifiConfigView::WifiConfigView(NetworkConfigView* parent)
     : parent_(parent),
-      can_login_(false),
+      is_8021x_(false),
       ssid_textfield_(NULL),
+      eap_method_combobox_(NULL),
+      phase_2_auth_combobox_(NULL),
       identity_textfield_(NULL),
+      identity_anonymous_textfield_(NULL),
       certificate_browse_button_(NULL),
       certificate_path_(),
       security_combobox_(NULL),
       passphrase_textfield_(NULL),
       passphrase_visible_button_(NULL),
       error_label_(NULL) {
   Init();
 }
 
 WifiConfigView::~WifiConfigView() {
 }
 
-void WifiConfigView::UpdateCanLogin(void) {
+bool WifiConfigView::CanLogin() {
   static const size_t kMinWirelessPasswordLen = 5;
 
-  bool can_login = true;
   if (!wifi_.get()) {
     // Enforce ssid is non empty.
+    if (GetSSID().empty())
+      return false;
+
     // If security is not none, also enforce passphrase is non empty.
-    can_login = !GetSSID().empty() &&
-        (security_combobox_->selected_item() == INDEX_NONE ||
-            passphrase_textfield_->text().length() >= kMinWirelessPasswordLen);
+    if (security_combobox_->selected_item() != SECURITY_INDEX_NONE &&
+        passphrase_textfield_->text().length() < kMinWirelessPasswordLen)
+      return false;
   } else {
-    // Connecting to an encrypted network
-    if (passphrase_textfield_ != NULL) {
-      // if the network requires a passphrase, make sure it is non empty.
-      can_login &=
-          passphrase_textfield_->text().length() >= kMinWirelessPasswordLen;
-    }
-    if (identity_textfield_ != NULL) {
+    if (is_8021x_) {
+      // Make sure the EAP method is set
+      if (eap_method_combobox_->selected_item() == EAP_METHOD_INDEX_NONE)
+        return false;
+
       // If we have an identity field, we can login if we have a non empty
       // identity and a certificate path
-      can_login &= !identity_textfield_->text().empty() &&
-          !certificate_path_.empty();
+      if (identity_textfield_ != NULL &&
+          (identity_textfield_->text().empty() || certificate_path_.empty()))
+        return false;
     }
+
+    // if the network requires a passphrase, make sure it is the right length.
+    if (passphrase_textfield_ != NULL &&
+        passphrase_textfield_->text().length() < kMinWirelessPasswordLen)
+      return false;
   }
+  return true;
+}
 
-  // Update the login button enable/disable state if can_login_ changes.
-  if (can_login != can_login_) {
-    can_login_ = can_login;
-    parent_->GetDialogClientView()->UpdateDialogButtons();
-  }
+void WifiConfigView::UpdateCanLogin() {
+  parent_->GetDialogClientView()->UpdateDialogButtons();
 }
 
 void WifiConfigView::UpdateErrorLabel(bool failed) {
   static const int kNoError = -1;
   int id = kNoError;
   if (wifi_.get()) {
     // Right now, only displaying bad_passphrase and bad_wepkey errors.
     if (wifi_->error() == ERROR_BAD_PASSPHRASE)
       id = IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_BAD_PASSPHRASE;
     else if (wifi_->error() == ERROR_BAD_WEPKEY)
@@ skipping 41 matching lines @@
                                         NULL :
                                         parent_->GetNativeWindow(),
                                     NULL);
   } else {
     NOTREACHED();
   }
 }
 
 void WifiConfigView::ItemChanged(views::Combobox* combo_box,
                                  int prev_index, int new_index) {
-  // If changed to no security, then disable combobox and clear it.
-  // Otherwise, enable it. Also, update can login.
-  if (new_index == INDEX_NONE) {
-    passphrase_textfield_->SetEnabled(false);
-    passphrase_textfield_->SetText(string16());
-  } else {
-    passphrase_textfield_->SetEnabled(true);
+  if (new_index == prev_index)
+    return;
+  if (combo_box == security_combobox_) {
+    // If changed to no security, then disable combobox and clear it.
+    // Otherwise, enable it. Also, update can login.
+    if (new_index == SECURITY_INDEX_NONE) {
+      passphrase_textfield_->SetEnabled(false);
+      passphrase_textfield_->SetText(string16());
+    } else {
+      passphrase_textfield_->SetEnabled(true);
+    }
+  } else if (combo_box == eap_method_combobox_) {
+    // If EAP method changes, the phase 2 auth choices may have changed also.
+    phase_2_auth_combobox_->ModelChanged();
+    phase_2_auth_combobox_->SetSelectedItem(0);
+    phase_2_auth_combobox_->SetEnabled(
+        phase_2_auth_combobox_->model()->GetItemCount() > 1);
+
+    // No password for EAP-TLS
+    if (eap_method_combobox_->selected_item() == EAP_METHOD_INDEX_TLS) {
+      passphrase_textfield_->SetEnabled(false);
+      passphrase_textfield_->SetText(string16());
+    } else {
+      passphrase_textfield_->SetEnabled(true);
+    }
+
+    // No client certs for EAP-TTLS, PEAP, or LEAP
+
+    // No server certs for LEAP
+
+    // No anonymous identity if no phase 2 auth.
+    if (phase_2_auth_combobox_->model()->GetItemCount() > 1) {
+      identity_anonymous_textfield_->SetEnabled(true);
+    } else {
+      identity_anonymous_textfield_->SetEnabled(false);
+      identity_anonymous_textfield_->SetText(string16());
+    }
   }
   UpdateCanLogin();
 }
 
 void WifiConfigView::FileSelected(const FilePath& path,
                                    int index, void* params) {
   certificate_path_ = path.value();
   if (certificate_browse_button_) {
     certificate_browse_button_->SetLabel(
         UTF16ToWide(path.BaseName().LossyDisplayName()));
   }
   UpdateCanLogin();  // TODO(njw) Check if the passphrase decrypts the key.
 }
 
 bool WifiConfigView::Login() {
   std::string identity_string;
   if (identity_textfield_ != NULL) {
     identity_string = UTF16ToUTF8(identity_textfield_->text());
   }
   NetworkLibrary* cros = CrosLibrary::Get()->GetNetworkLibrary();
   bool connected = false;
   if (!wifi_.get()) {
     ConnectionSecurity sec = SECURITY_UNKNOWN;
     int index = security_combobox_->selected_item();
-    if (index == INDEX_NONE)
+    if (index == SECURITY_INDEX_NONE)
       sec = SECURITY_NONE;
-    else if (index == INDEX_WEP)
+    else if (index == SECURITY_INDEX_WEP)
       sec = SECURITY_WEP;
-    else if (index == INDEX_WPA)
+    else if (index == SECURITY_INDEX_WPA)
       sec = SECURITY_WPA;
-    else if (index == INDEX_RSN)
+    else if (index == SECURITY_INDEX_RSN)
       sec = SECURITY_RSN;
     connected =  cros->ConnectToWifiNetwork(
         sec, GetSSID(), GetPassphrase(),
         identity_string, certificate_path_, true);
   } else {
     Save();
     connected = cros->ConnectToWifiNetwork(
         wifi_.get(), GetPassphrase(),
         identity_string, certificate_path_);
   }
@@ skipping 45 matching lines @@
   return result;
 }
 
 const std::string WifiConfigView::GetPassphrase() const {
   std::string result;
   if (passphrase_textfield_ != NULL)
     result = UTF16ToUTF8(passphrase_textfield_->text());
   return result;
 }
 
+// This will initialize the view depending on if we have a wifi network or not.
+// And if we are doing simple password encyption or the more complicated
+// 802.1x encryption.
+// If we are creating the "Join other network..." dialog, we will allow user
+// to enter the data. And if they select the 802.1x encryption, we will show
+// the 802.1x fields.
 void WifiConfigView::Init() {
   views::GridLayout* layout = views::GridLayout::CreatePanel(this);
   SetLayoutManager(layout);
 
   int column_view_set_id = 0;
   views::ColumnSet* column_set = layout->AddColumnSet(column_view_set_id);
   // Label
   column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
                         views::GridLayout::USE_PREF, 0, 0);
   // Textfield
@@ skipping 11 matching lines @@
     ssid_textfield_ = new views::Textfield(views::Textfield::STYLE_DEFAULT);
     ssid_textfield_->SetController(this);
     layout->AddView(ssid_textfield_);
   } else {
     views::Label* label = new views::Label(ASCIIToWide(wifi_->name()));
     label->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
     layout->AddView(label);
   }
   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 
+  // Security select
+  if (!wifi_.get()) {
+    layout->StartRow(0, column_view_set_id);
+    layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
+          IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY))));
+    security_combobox_ = new views::Combobox(new SecurityComboboxModel());
+    security_combobox_->set_listener(this);
+    layout->AddView(security_combobox_);
+    layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+  }
+
   // Certificate input
   // Loaded certificates (i.e. stored in a pkcs11 device) do not require
   // a passphrase.
   bool certificate_loaded = false;
 
   // Add ID and cert password if we're using 802.1x
   // XXX we're cheating and assuming 802.1x means EAP-TLS - not true
   // in general, but very common. WPA Supplicant doesn't report the
   // EAP type because it's unknown until the process begins, and we'd
   // need some kind of callback.
-  if (wifi_.get() && wifi_->encrypted() &&
-      wifi_->encryption() == SECURITY_8021X) {
+  is_8021x_ = wifi_.get() && wifi_->encrypted() &&
+      wifi_->encryption() == SECURITY_8021X;
+  if (is_8021x_) {

[Charlie Lee, 2011/03/04 01:27:23]

This code is actually not live right now. Because we currently won't create a
new wifi_config dialog with a 8021x network. If it's connectable, we directly
connect to it. If not, the menu item is disabled.

+    // EAP Method
     layout->StartRow(0, column_view_set_id);
     layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
-        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT_IDENTITY))));
-    identity_textfield_ = new views::Textfield(
-        views::Textfield::STYLE_DEFAULT);
-    identity_textfield_->SetController(this);
-    if (!wifi_->identity().empty())
-      identity_textfield_->SetText(UTF8ToUTF16(wifi_->identity()));
-    layout->AddView(identity_textfield_);
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_EAP_METHOD))));
+    eap_method_combobox_ = new views::Combobox(new EAPMethodComboboxModel());
+    eap_method_combobox_->set_listener(this);
+    layout->AddView(eap_method_combobox_);
     layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+
+    // Phase 2 Authentication
+    layout->StartRow(0, column_view_set_id);
+    layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PHASE_2_AUTH))));
+    phase_2_auth_combobox_ = new views::Combobox(
+        new Phase2AuthComboboxModel(eap_method_combobox_));
+    phase_2_auth_combobox_->SetEnabled(false);
+    phase_2_auth_combobox_->set_listener(this);
+    layout->AddView(phase_2_auth_combobox_);
+    layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+
+    // Certificate
     layout->StartRow(0, column_view_set_id);
     layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
         IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT))));
     if (!wifi_->cert_path().empty()) {
       certificate_path_ = wifi_->cert_path();
       certificate_loaded = wifi_->IsCertificateLoaded();
     }
     if (certificate_loaded) {
       std::wstring label = UTF16ToWide(l10n_util::GetStringUTF16(
           IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT_INSTALLED));
       views::Label* cert_text = new views::Label(label);
       cert_text->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
       layout->AddView(cert_text);
     } else {
       std::wstring label;
       if (!certificate_path_.empty())
         label = UTF8ToWide(certificate_path_);
       else
         label = UTF16ToWide(l10n_util::GetStringUTF16(
             IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT_BUTTON));
       certificate_browse_button_ = new views::NativeButton(this, label);
       layout->AddView(certificate_browse_button_);
     }
     layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
-  }
 
-  // Security select
-  if (!wifi_.get()) {
+    // Identity
     layout->StartRow(0, column_view_set_id);
     layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
-          IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_SECURITY))));
-    security_combobox_ = new views::Combobox(new SecurityComboboxModel());
-    security_combobox_->set_listener(this);
-    layout->AddView(security_combobox_);
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT_IDENTITY))));
+    identity_textfield_ = new views::Textfield(
+        views::Textfield::STYLE_DEFAULT);
+    identity_textfield_->SetController(this);
+    if (!wifi_->identity().empty())
+      identity_textfield_->SetText(UTF8ToUTF16(wifi_->identity()));
+    layout->AddView(identity_textfield_);
+    layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+
+    // Anonymous Identity
+    layout->StartRow(0, column_view_set_id);
+    layout->AddView(new views::Label(UTF16ToWide(l10n_util::GetStringUTF16(
+        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_CERT_IDENTITY_ANONYMOUS))));
+    identity_anonymous_textfield_ = new views::Textfield(
+        views::Textfield::STYLE_DEFAULT);
+    identity_anonymous_textfield_->SetEnabled(false);
+    identity_anonymous_textfield_->SetController(this);
+    layout->AddView(identity_anonymous_textfield_);
     layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
   }
 
   // Passphrase input
   layout->StartRow(0, column_view_set_id);
   int label_text_id;
-  if (wifi_.get() && wifi_->encryption() == SECURITY_8021X) {
-    label_text_id =
-        IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PRIVATE_KEY_PASSWORD;
-  } else {
+  if (is_8021x_)
+    label_text_id = IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PRIVATE_KEY_PASSWORD;
+  else
     label_text_id = IDS_OPTIONS_SETTINGS_INTERNET_OPTIONS_PASSPHRASE;
-  }
   layout->AddView(new views::Label(
       UTF16ToWide(l10n_util::GetStringUTF16(label_text_id))));
   passphrase_textfield_ = new views::Textfield(
       views::Textfield::STYLE_PASSWORD);
   passphrase_textfield_->SetController(this);
   if (wifi_.get() && !wifi_->passphrase().empty())
     passphrase_textfield_->SetText(UTF8ToUTF16(wifi_->passphrase()));
   // Disable passphrase input initially for other network.
   if (!wifi_.get())
     passphrase_textfield_->SetEnabled(false);
   layout->AddView(passphrase_textfield_);
   // Password visible button.
   passphrase_visible_button_ = new views::ImageButton(this);
   passphrase_visible_button_->SetImage(
       views::ImageButton::BS_NORMAL,
       ResourceBundle::GetSharedInstance().
       GetBitmapNamed(IDR_STATUSBAR_NETWORK_SECURE));
   passphrase_visible_button_->SetImageAlignment(
       views::ImageButton::ALIGN_CENTER, views::ImageButton::ALIGN_MIDDLE);
   layout->AddView(passphrase_visible_button_);
   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 
   // Create an error label.
   layout->StartRow(0, column_view_set_id);
   layout->SkipColumns(1);
   error_label_ = new views::Label();
   error_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
   error_label_->SetColor(SK_ColorRED);
   layout->AddView(error_label_);
-  layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+
   // Set or hide the error text.
   UpdateErrorLabel(false);
 }
 
 }  // namespace chromeos