[ChromeOS] Ensure advanced network config dialog is centered.

chrome/browser/chromeos/options/network_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/network_config_view.h"
 
 #include <algorithm>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 117 matching lines @@
   // Clear out the old widgets and build new ones.
   RemoveChildView(child_config_view_);
   delete child_config_view_;
   // For now, there is only an advanced view for Wi-Fi 802.1X.
   child_config_view_ = new WifiConfigView(this, true /* show_8021x */);
   AddChildView(child_config_view_);
   // Resize the window to be able to hold the new widgets.
   gfx::Size size = views::Window::GetLocalizedContentsSize(
       IDS_JOIN_WIFI_NETWORK_DIALOG_WIDTH_CHARS,
       IDS_JOIN_WIFI_NETWORK_DIALOG_ADVANCED_MINIMUM_HEIGHT_LINES);
-  gfx::Rect bounds(size.width(), size.height());
-  // Window is automatically centered.
+  // Get the new bounds with desired size at the same center point.
+  gfx::Rect bounds = window()->GetBounds();
+  int horiz_padding = bounds.width() - size.width();
+  int vert_padding = bounds.height() - size.height();
+  bounds.Inset(horiz_padding / 2, vert_padding / 2,
+               horiz_padding / 2, vert_padding / 2);
   window()->SetWindowBounds(bounds, GetNativeWindow());
   Layout();
   child_config_view_->InitFocus();
 }
 
 void NetworkConfigView::Layout() {
   child_config_view_->SetBounds(0, 0, width(), height());
 }
 
 gfx::Size NetworkConfigView::GetPreferredSize() {
@@ skipping 29 matching lines @@
 
   int column_set_id = 0;
   views::ColumnSet* column_set = layout->AddColumnSet(column_set_id);
   column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING,
                         0, views::GridLayout::USE_PREF, 0, 0);
   layout->StartRow(0, column_set_id);
   layout->AddView(advanced_button_);
 }
 
 }  // namespace chromeos