Cursor does not blink on longpress in an emptyField.

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. 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.
@@ skipping 3027 matching lines @@
         retVal = FocusTypeLeft;
     else if (keyIdentifier == Right)
         retVal = FocusTypeRight;
 
     return retVal;
 }
 
 void EventHandler::defaultKeyboardEventHandler(KeyboardEvent* event)
 {
     if (event->type() == EventTypeNames::keydown) {
+        // Clear caret blinking suspended state to make sure that caret blinks
+        // when we type again after long pressing on an empty input field.
+        if (m_frame && m_frame->selection().isCaretBlinkingSuspended())
+            m_frame->selection().setCaretBlinkingSuspended(false);
+
         m_frame->editor().handleKeyboardEvent(event);
         if (event->defaultHandled())
             return;
         if (event->keyIdentifier() == "U+0009")
             defaultTabEventHandler(event);
         else if (event->keyIdentifier() == "U+0008")
             defaultBackspaceEventHandler(event);
         else if (event->keyIdentifier() == "U+001B")
             defaultEscapeEventHandler(event);
         else {
@@ skipping 762 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace blink