mash: Place views Wi-Fi network config dialogs in correct window parent

chrome/browser/ui/webui/settings/chromeos/internet_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/internet_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/internet_handler.h b/chrome/browser/ui/webui/settings/chromeos/internet_handler.h
index 64ceabfe29b07da6f9feba2af2c9bf5fde65e530..f519dc7705485bdc58559ac7901dfef8fa0c5944 100644
--- a/chrome/browser/ui/webui/settings/chromeos/internet_handler.h
+++ b/chrome/browser/ui/webui/settings/chromeos/internet_handler.h
@@ -11,6 +11,10 @@
 #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace views {
+struct WidgetParent;
+}
+
 namespace chromeos {
 namespace settings {
 
@@ -30,8 +34,12 @@ class InternetHandler : public ::settings::SettingsPageUIHandler {
   void AddNetwork(const base::ListValue* args);
   void ConfigureNetwork(const base::ListValue* args);
 
+  // Deprecated: Use GetWidgetParent() instead.
   gfx::NativeWindow GetNativeWindow() const;
 
+  // Returns a parent for hosting dialogs.
+  views::WidgetParent GetWidgetParent() const;
+
   DISALLOW_COPY_AND_ASSIGN(InternetHandler);
 };