views: Make view::Views::GetPreferredSize() const.

chrome/browser/chromeos/options/network_config_view.cc

Index: chrome/browser/chromeos/options/network_config_view.cc
diff --git a/chrome/browser/chromeos/options/network_config_view.cc b/chrome/browser/chromeos/options/network_config_view.cc
index 4b408ddf02e91333860088757aa06c4efd614a87..30b0a7ad82812bb4aea338d4c5e0ba4c03f48d3b 100644
--- a/chrome/browser/chromeos/options/network_config_view.cc
+++ b/chrome/browser/chromeos/options/network_config_view.cc
@@ -252,7 +252,7 @@ void NetworkConfigView::Layout() {
   child_config_view_->SetBounds(0, 0, width(), height());
 }
 
-gfx::Size NetworkConfigView::GetPreferredSize() {
+gfx::Size NetworkConfigView::GetPreferredSize() const {
   gfx::Size result(views::Widget::GetLocalizedContentsSize(
       IDS_JOIN_WIFI_NETWORK_DIALOG_WIDTH_CHARS,
       IDS_JOIN_WIFI_NETWORK_DIALOG_MINIMUM_HEIGHT_LINES));
@@ -336,7 +336,7 @@ void ControlledSettingIndicatorView::Update(
   PreferredSizeChanged();
 }
 
-gfx::Size ControlledSettingIndicatorView::GetPreferredSize() {
+gfx::Size ControlledSettingIndicatorView::GetPreferredSize() const {
   return (managed_ && visible()) ? image_view_->GetPreferredSize()
                                  : gfx::Size();
 }