Add proxy settings to network control at upper row of controls at login screen.

chrome/browser/chromeos/login/proxy_settings_dialog.cc

Index: chrome/browser/chromeos/login/proxy_settings_dialog.cc
diff --git a/chrome/browser/chromeos/login/proxy_settings_dialog.cc b/chrome/browser/chromeos/login/proxy_settings_dialog.cc
new file mode 100644
index 0000000000000000000000000000000000000000..69dc9c5493010989cd85109d1e167c52fdbdc7ad
--- /dev/null
+++ b/chrome/browser/chromeos/login/proxy_settings_dialog.cc
@@ -0,0 +1,48 @@
+// 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 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);
+}
+
+}  // namespace
+
+namespace chromeos {
+
+ProxySettingsDialog::ProxySettingsDialog(LoginHtmlDialog::Delegate* delegate,
+                                         gfx::NativeWindow window)
+    : LoginHtmlDialog(
+          delegate,
+          window,
+          std::wstring(),
+          GURL(kProxySettingsURL),
+          LoginHtmlDialog::STYLE_BUBBLE) {
+  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