Merge 142755

Source/WebCore/page/DOMWindow.cpp

Index: Source/WebCore/page/DOMWindow.cpp
===================================================================
--- Source/WebCore/page/DOMWindow.cpp	(revision 143745)
+++ Source/WebCore/page/DOMWindow.cpp	(working copy)
@@ -338,8 +338,11 @@
         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())));