Refactor modality-specific behavior from ConstrainedWindowViews to WebContentsModalDialogManager

chrome/browser/ui/web_contents_modal_dialog_manager.cc

Index: chrome/browser/ui/web_contents_modal_dialog_manager.cc
diff --git a/chrome/browser/ui/web_contents_modal_dialog_manager.cc b/chrome/browser/ui/web_contents_modal_dialog_manager.cc
index 35ac0644efd2d1ed0a2c7c6dd7cbc353663ed2ef..f8e7d26e05cbe01b7b50bff60637646cf8585d07 100644
--- a/chrome/browser/ui/web_contents_modal_dialog_manager.cc
+++ b/chrome/browser/ui/web_contents_modal_dialog_manager.cc
@@ -25,6 +25,9 @@ void WebContentsModalDialogManager::AddDialog(
     WebContentsModalDialog* dialog) {
   child_dialogs_.push_back(dialog);
 
+  if (ui_delegate_)
+    ui_delegate_->ManageDialog(dialog->GetNativeWindow());
+
   if (child_dialogs_.size() == 1) {
     dialog->ShowWebContentsModalDialog();
     BlockWebContentsInteraction(true);
@@ -78,7 +81,8 @@ void WebContentsModalDialogManager::FocusTopmostDialog() {
 WebContentsModalDialogManager::WebContentsModalDialogManager(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
-      delegate_(NULL) {
+      delegate_(NULL),
+      ui_delegate_(ALLOW_THIS_IN_INITIALIZER_LIST(CreateUIDelegate(this))) {
 }
 
 void WebContentsModalDialogManager::CloseAllDialogs() {