Merge 142755

Source/WebCore/page/DOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 322 matching lines @@
     if (!isnan(pendingChanges.x()))
         window.setX(pendingChanges.x());
     if (!isnan(pendingChanges.y()))
         window.setY(pendingChanges.y());
     if (!isnan(pendingChanges.width()))
         window.setWidth(pendingChanges.width());
     if (!isnan(pendingChanges.height()))
         window.setHeight(pendingChanges.height());
 
     FloatSize minimumSize = page->chrome()->client()->minimumWindowSize();
-    window.setWidth(min(max(minimumSize.width(), window.width()), screen.width()));
-    window.setHeight(min(max(minimumSize.height(), window.height()), screen.height()));
+    // Let size 0 pass through, since that indicates default size, not minimum size.
+    if (window.width())
+        window.setWidth(min(max(minimumSize.width(), window.width()), screen.width()));
+    if (window.height())
+        window.setHeight(min(max(minimumSize.height(), window.height()), screen.height()));
 
     // Constrain the window position within the valid screen area.
     window.setX(max(screen.x(), min(window.x(), screen.maxX() - window.width())));
     window.setY(max(screen.y(), min(window.y(), screen.maxY() - window.height())));
 
     return window;
 }
 
 bool DOMWindow::allowPopUp(Frame* firstFrame)
 {
@@ skipping 1612 matching lines @@
     WindowFeatures windowFeatures(dialogFeaturesString, screenAvailableRect(m_frame->view()));
     Frame* dialogFrame = createWindow(urlString, emptyAtom, windowFeatures,
         activeWindow, firstFrame, m_frame, function, functionContext);
     if (!dialogFrame)
         return;
 
     dialogFrame->page()->chrome()->runModal();
 }
 
 } // namespace WebCore