Remove parent window (dangling in background) for chrome://settings when invoked at OOBE screen.

chrome/browser/chromeos/login/proxy_settings_dialog.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/proxy_settings_dialog.h"
 
 #include "chrome/browser/chromeos/login/helper.h"
 #include "gfx/rect.h"
 #include "gfx/size.h"
 
 namespace {
 
 // Hints for size of proxy settings dialog.
 const int kProxySettingsDialogReasonableWidth = 750;
-const int kProxySettingsDialogReasonableHeight = 460;
+const int kProxySettingsDialogReasonableHeight = 550;
 const float kProxySettingsDialogReasonableWidthRatio = 0.4f;
 const float kProxySettingsDialogReasonableHeightRatio = 0.4f;
 
 const char kProxySettingsURL[] = "chrome://settings/proxy?menu=off";
 
 int calculate_size(int screen_size, int min_comfortable, float desired_ratio) {
   int desired_size = static_cast<int>(desired_ratio * screen_size);
   desired_size = std::max(min_comfortable, desired_size);
   return std::min(screen_size, desired_size);
 }
@@ skipping 13 matching lines @@
   gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
   SetDialogSize(calculate_size(screen_bounds.width(),
                                kProxySettingsDialogReasonableWidth,
                                kProxySettingsDialogReasonableWidthRatio),
                 calculate_size(screen_bounds.height(),
                                kProxySettingsDialogReasonableHeight,
                                kProxySettingsDialogReasonableHeightRatio));
 }
 
 }  // namespace chromeos