Drop [LegacyInterfaceTypeChecking] for PagePopupController

third_party/WebKit/Source/core/page/PagePopupController.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 52 matching lines @@
 }
 
 void PagePopupController::closePopup()
 {
     if (m_popupClient)
         m_popupClient->closePopup();
 }
 
 void PagePopupController::selectFontsFromOwnerDocument(Document* targetDocument)
 {
-    if (!targetDocument || !m_popupClient)
-        return;
-    m_popupClient->selectFontsFromOwnerDocument(*targetDocument);
+    ASSERT(targetDocument);
+    if (m_popupClient)
+        m_popupClient->selectFontsFromOwnerDocument(*targetDocument);
 }
 
 String PagePopupController::localizeNumberString(const String& numberString)
 {
     if (m_popupClient)
         return m_popupClient->locale().convertToLocalizedNumber(numberString);
     return numberString;
 }
 
 String PagePopupController::formatMonth(int year, int zeroBaseMonth)
@@ skipping 34 matching lines @@
 {
     Platform::current()->histogramEnumeration(name.utf8().data(), sample, boundaryValue);
 }
 
 void PagePopupController::setWindowRect(int x, int y, int width, int height)
 {
     m_popup.setWindowRect(IntRect(x, y, width, height));
 }
 
 } // namespace blink