Revert 177182 - ViewTest.ChangeNativeViewHierarchyFindRoots failure

chrome/browser/ui/views/chrome_web_dialog_view.cc

Index: chrome/browser/ui/views/chrome_web_dialog_view.cc
===================================================================
--- chrome/browser/ui/views/chrome_web_dialog_view.cc	(revision 177189)
+++ chrome/browser/ui/views/chrome_web_dialog_view.cc	(working copy)
@@ -13,21 +13,9 @@
 gfx::NativeWindow ShowWebDialog(gfx::NativeWindow parent,
                                 content::BrowserContext* context,
                                 ui::WebDialogDelegate* delegate) {
-  views::Widget* widget = NULL;
-  if (parent) {
-    widget = views::Widget::CreateWindowWithParent(
-        new views::WebDialogView(context,
-                                 delegate,
-                                 new ChromeWebContentsHandler),
-        parent);
-  } else {
-    // We shouldn't be called with a NULL parent, but sometimes are.
-    widget = views::Widget::CreateWindow(
-        new views::WebDialogView(context,
-                                 delegate,
-                                 new ChromeWebContentsHandler));
-  }
-
+  views::Widget* widget = views::Widget::CreateWindowWithParent(
+      new views::WebDialogView(context, delegate, new ChromeWebContentsHandler),
+      parent);
   widget->Show();
   return widget->GetNativeWindow();
 }