Don't show caret when containing element doesn't have focus

Source/core/editing/FrameSelection.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 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 174 matching lines @@
     // Return the renderer that is responsible for painting the caret (in the selection start node)
     RenderObject* caretRenderer() const;
 
     // Caret rect local to the caret's renderer
     LayoutRect localCaretRect();
 
     // Bounds of (possibly transformed) caret in absolute coords
     IntRect absoluteCaretBounds();
     void setCaretRectNeedsUpdate() { CaretBase::setCaretRectNeedsUpdate(); }
 
+    void didFocusChanged();

[tkent, 2013/06/28 06:46:56]

nit: The name should be didChangeFocus or focusWasChanged.

[yosin_UTC9, 2013/06/28 08:22:46]

Done.

     void willBeModified(EAlteration, SelectionDirection);
 
     bool isNone() const { return m_selection.isNone(); }
     bool isCaret() const { return m_selection.isCaret(); }
     bool isRange() const { return m_selection.isRange(); }
     bool isCaretOrRange() const { return m_selection.isCaretOrRange(); }
     bool isInPasswordField() const;
     bool isAll(EditingBoundaryCrossingRule rule = CannotCrossEditingBoundary) const { return m_selection.isAll(rule); }
     
     PassRefPtr<Range> toNormalizedRange() const { return m_selection.toNormalizedRange(); }
@@ skipping 79 matching lines @@
     
     void notifyAccessibilityForSelectionChange();
 
     void focusedOrActiveStateChanged();
 
     void caretBlinkTimerFired(Timer<FrameSelection>*);
 
     void setUseSecureKeyboardEntry(bool);
 
     void setCaretVisibility(CaretVisibility);
+    bool shouldBlinkCaret() const;
 
     bool dispatchSelectStart();
   
     bool visualWordMovementEnabled() const;
 
     Frame* m_frame;
 
     LayoutUnit m_xPosForVerticalArrowNavigation;
 
     VisibleSelection m_selection;
@@ skipping 30 matching lines @@
 }
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::FrameSelection&);
 void showTree(const WebCore::FrameSelection*);
 #endif
 
 #endif // FrameSelection_h