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

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 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 2273 matching lines @@
 
         // When typing we check spelling elsewhere, so don't redo it here.
         // If this is a change in selection resulting from a delete operation,
         // oldSelection may no longer be in the document.
         if (shouldCheckSpellingAndGrammar
             && closeTyping
             && oldSelection.isContentEditable()
             && oldSelection.start().deprecatedNode()
             && oldSelection.start().anchorNode()->inDocument()
             && !isSelectionInTextField(oldSelection)) {
-            VisiblePosition oldStart(oldSelection.visibleStart());
-            VisibleSelection oldAdjacentWords = VisibleSelection(startOfWord(oldStart, LeftWordIfOnBoundary), endOfWord(oldStart, RightWordIfOnBoundary));
-            if (oldAdjacentWords != newAdjacentWords) {
-                if (isContinuousGrammarCheckingEnabled) {
-                    VisibleSelection oldSelectedSentence = VisibleSelection(startOfSentence(oldStart), endOfSentence(oldStart));
-                    markMisspellingsAndBadGrammar(oldAdjacentWords, oldSelectedSentence != newSelectedSentence, oldSelectedSentence);
-                } else
-                    markMisspellingsAndBadGrammar(oldAdjacentWords, false, oldAdjacentWords);
-            }
+            spellCheckOldSelection(oldSelection, newAdjacentWords, newSelectedSentence);
         }
 
         if (!textChecker() || textChecker()->shouldEraseMarkersAfterChangeSelection(TextCheckingTypeSpelling)) {
             if (RefPtr<Range> wordRange = newAdjacentWords.toNormalizedRange())
                 m_frame->document()->markers()->removeMarkers(wordRange.get(), DocumentMarker::Spelling);
         }
         if (!textChecker() || textChecker()->shouldEraseMarkersAfterChangeSelection(TextCheckingTypeGrammar)) {
             if (RefPtr<Range> sentenceRange = newSelectedSentence.toNormalizedRange())
                 m_frame->document()->markers()->removeMarkers(sentenceRange.get(), DocumentMarker::Grammar);
         }
     }
 
     // When continuous spell checking is off, existing markers disappear after the selection changes.
     if (!isContinuousSpellCheckingEnabled)
         m_frame->document()->markers()->removeMarkers(DocumentMarker::Spelling);
     if (!isContinuousGrammarCheckingEnabled)
         m_frame->document()->markers()->removeMarkers(DocumentMarker::Grammar);
 
     cancelCompositionIfSelectionIsInvalid();
 
     notifyComponentsOnChangedSelection(oldSelection, options);
 }
 
+void Editor::spellCheckAfterBlur()
+{
+    if (!m_frame->selection()->selection().isContentEditable())
+        return;
+
+    if (isSelectionInTextField(m_frame->selection()->selection())) {
+        // textFieldDidEndEditing() and textFieldDidBeginEditing() handle this.
+        return;
+    }
+
+    VisibleSelection empty;
+    spellCheckOldSelection(m_frame->selection()->selection(), empty, empty);
+}
+
+void Editor::spellCheckOldSelection(const VisibleSelection& oldSelection, const VisibleSelection& newAdjacentWords, const VisibleSelection& newSelectedSentence)
+{
+    VisiblePosition oldStart(oldSelection.visibleStart());
+    VisibleSelection oldAdjacentWords = VisibleSelection(startOfWord(oldStart, LeftWordIfOnBoundary), endOfWord(oldStart, RightWordIfOnBoundary));
+    if (oldAdjacentWords  != newAdjacentWords) {
+        if (isContinuousSpellCheckingEnabled() && isGrammarCheckingEnabled()) {
+            VisibleSelection selectedSentence = VisibleSelection(startOfSentence(oldStart), endOfSentence(oldStart));
+            markMisspellingsAndBadGrammar(oldAdjacentWords, selectedSentence != newSelectedSentence, selectedSentence);
+        } else {
+            markMisspellingsAndBadGrammar(oldAdjacentWords, false, oldAdjacentWords);
+        }
+    }
+}
+
 static Node* findFirstMarkable(Node* node)
 {
     while (node) {
         if (!node->renderer())
             return 0;
         if (node->renderer()->isText())
             return node;
         if (node->renderer()->isTextControl())
             node = toRenderTextControl(node->renderer())->textFormControlElement()->visiblePositionForIndex(1).deepEquivalent().deprecatedNode();
         else if (node->firstChild())
@@ skipping 42 matching lines @@
     return WebCore::unifiedTextCheckerEnabled(m_frame);
 }
 
 void Editor::toggleOverwriteModeEnabled()
 {
     m_overwriteModeEnabled = !m_overwriteModeEnabled;
     frame()->selection()->setShouldShowBlockCursor(m_overwriteModeEnabled);
 };
 
 } // namespace WebCore