Spell check whole content of an editable element when it gets focused.

Source/core/editing/Editor.h

Index: Source/core/editing/Editor.h
diff --git a/Source/core/editing/Editor.h b/Source/core/editing/Editor.h
index 053c3879df0890f10a76c38c05fac7a88a32081e..4330222cd49c50ca85de1c3f4d3197c128523c19 100644
--- a/Source/core/editing/Editor.h
+++ b/Source/core/editing/Editor.h
@@ -214,7 +214,7 @@ public:
     bool canRedo();
     void redo();
 
-    void didBeginEditing();
+    void didBeginEditing(Element*);
     void didEndEditing();
 
     void setBaseWritingDirection(WritingDirection);
@@ -281,7 +281,7 @@ public:
     bool markedTextMatchesAreHighlighted() const;
     void setMarkedTextMatchesAreHighlighted(bool);
 
-    void textFieldDidBeginEditing(Element*);
+    void textAreaOrTextFieldDidBeginEditing(Element*);
     void textFieldDidEndEditing(Element*);
     void textDidChangeInTextField(Element*);
     bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*);
@@ -309,6 +309,8 @@ public:
     };
     friend class RevealSelectionScope;
 
+    void elementDidBeginEditing(Element*);
+
 private:
     RefPtr<CompositeEditCommand> m_lastEditCommand;
     RefPtr<Node> m_removedAnchor;