Make sure the last selection gets spell checked when focusing different frame.

Source/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 Apple 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1495 matching lines @@
 
     // Because RenderObject::selectionBackgroundColor() and
     // RenderObject::selectionForegroundColor() check if the frame is active,
     // we have to update places those colors were painted.
     if (RenderView* view = m_frame->document()->renderView())
         view->repaintSelection();
 
     // Caret appears in the active frame.
     if (activeAndFocused)
         setSelectionFromNone();
+    else
+        m_frame->editor()->spellCheckAfterBlur();
     setCaretVisibility(activeAndFocused ? Visible : Hidden);
 
     // Update for caps lock state
     m_frame->eventHandler()->capsLockStateMayHaveChanged();
 
     // Because StyleResolver::checkOneSelector() and
     // RenderTheme::isFocused() check if the frame is active, we have to
     // update style and theme state that depended on those.
     if (Element* element = m_frame->document()->focusedElement()) {
         element->setNeedsStyleRecalc();
@@ skipping 392 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const WebCore::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif