Implement "word-break: keep-all" in CSS3 Text

Source/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 2617 matching lines @@
     switch (e) {
     case NormalWordBreak:
         m_value.valueID = CSSValueNormal;
         break;
     case BreakAllWordBreak:
         m_value.valueID = CSSValueBreakAll;
         break;
     case BreakWordBreak:
         m_value.valueID = CSSValueBreakWord;
         break;
+    case KeepAllWordBreak:
+        m_value.valueID = CSSValueKeepAll;
+        break;
     }
 }
 
 template<> inline CSSPrimitiveValue::operator EWordBreak() const
 {
     ASSERT(isValueID());
     switch (m_value.valueID) {
     case CSSValueBreakAll:
         return BreakAllWordBreak;
     case CSSValueBreakWord:
         return BreakWordBreak;
     case CSSValueNormal:
         return NormalWordBreak;
+    case CSSValueKeepAll:
+        return KeepAllWordBreak;
     default:
         break;
     }
 
     ASSERT_NOT_REACHED();
     return NormalWordBreak;
 }
 
 template<> inline CSSPrimitiveValue::CSSPrimitiveValue(EOverflowWrap e)
     : CSSValue(PrimitiveClass)
@@ skipping 2040 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return ScrollBehaviorAuto;
 }
 
 }
 
 #endif