[
  [
    "src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp", 
    "src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp~", 
    [
      "diff -ur src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp~", 
      "--- src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp", 
      "+++ src/3rdParty/webkit/work/WebCore/page/EventHandler.cpp~", 
      "@@ -1592,7 +1592,13 @@", 
      "defaultTabEventHandler(event);", 
      "}", 
      "if (event->type() == keypressEvent) {", 
      "-        m_frame->editor()->handleKeyboardEvent(event);", 
      "+        //filter out TAB key press event to prevent input TAB in text field, because it should be handled as advance focus", 
      "+        if (event->charCode() != 9 /* TAB's ASCII value */) {", 
      "+            m_frame->editor()->handleKeyboardEvent(event);", 
      "+        }", 
      "+        else {", 
      "+            event->setDefaultHandled();", 
      "+        }", 
      "if (event->defaultHandled())", 
      "return;", 
      "}"
    ]
  ]
]