[cros] Fix UI issues on SignIn pod.

chrome/browser/chromeos/login/guest_user_view.cc

 // Copyright (c) 2010 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/login/guest_user_view.h"
 
 #include "app/l10n_util.h"
+#include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/user_controller.h"
 #include "chrome/browser/chromeos/login/wizard_accessibility_helper.h"
 #include "grit/generated_resources.h"
 
 namespace chromeos {
 
 // Button with custom processing for Tab/Shift+Tab to select entries.
 class UserEntryButton : public views::NativeButton {
  public:
   UserEntryButton(UserController* controller,
@@ skipping 39 matching lines @@
   AddAccelerator(accel_login_off_the_record_);
   AddAccelerator(accel_previous_pod_by_arrow_);
   AddAccelerator(accel_next_pod_by_arrow_);
 }
 
 void GuestUserView::RecreateFields() {
   delete submit_button_;
   submit_button_ = new UserEntryButton(
       user_controller_,
       l10n_util::GetString(IDS_LOGIN_BUTTON));
+  login::CorrectNativeButtonFontSize(submit_button_);
   AddChildView(submit_button_);
   Layout();
   SchedulePaint();
 }
 
 void GuestUserView::FocusSignInButton() {
   if (GetFocusManager())
     submit_button_->RequestFocus();
 }
 
@@ skipping 18 matching lines @@
   if (is_add && this == child)
     WizardAccessibilityHelper::GetInstance()->MaybeEnableAccessibility(this);
 }
 
 void GuestUserView::OnLocaleChanged() {
   RecreateFields();
 }
 
 void GuestUserView::Layout() {
   gfx::Size submit_button_size = submit_button_->GetPreferredSize();
-  int submit_button_x = (width() - submit_button_size.width()) / 2;
+  int submit_button_width = std::max(login::kButtonMinWidth,
+                                     submit_button_size.width());
+  int submit_button_x = (width() - submit_button_width) / 2;
   int submit_button_y = (height() - submit_button_size.height()) / 2;
   submit_button_->SetBounds(submit_button_x,
                             submit_button_y,
-                            submit_button_size.width(),
+                            submit_button_width,
                             submit_button_size.height());
 }
 
 }  // namespace chromeos