Add CSS hyphens property behind the test flag

third_party/WebKit/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 1381 matching lines @@
     case CSSValueNone:
         return NoFloat;
     default:
         break;
     }
 
     ASSERT_NOT_REACHED();
     return NoFloat;
 }
 
+template<> inline CSSPrimitiveValue::CSSPrimitiveValue(EHyphens e)
+    : CSSValue(PrimitiveClass)
+{
+    init(UnitType::ValueID);
+    switch (e) {
+    case HyphensAuto:
+        m_value.valueID = CSSValueAuto;
+        break;
+    case HyphensManual:
+        m_value.valueID = CSSValueManual;
+        break;
+    case HyphensNone:
+        m_value.valueID = CSSValueNone;
+        break;
+    }
+}
+
+template<> inline EHyphens CSSPrimitiveValue::convertTo() const
+{
+    ASSERT(isValueID());

[tkent, 2016/04/26 07:08:50]

Please use DCHECK for new code.

[kojii, 2016/04/26 07:38:03]

Done, copy-pasted without checking, thanks.

+    switch (m_value.valueID) {
+    case CSSValueAuto:
+        return HyphensAuto;
+    case CSSValueManual:
+        return HyphensManual;
+    case CSSValueNone:
+        return HyphensNone;
+    default:
+        break;
+    }
+
+    ASSERT_NOT_REACHED();

[tkent, 2016/04/26 07:08:51]

Please use NOTREACHED for new code.

[kojii, 2016/04/26 07:38:03]

Done.

+    return HyphensManual;
+}
+
 template<> inline CSSPrimitiveValue::CSSPrimitiveValue(LineBreak e)
     : CSSValue(PrimitiveClass)
 {
     init(UnitType::ValueID);
     switch (e) {
     case LineBreakAuto:
         m_value.valueID = CSSValueAuto;
         break;
     case LineBreakLoose:
         m_value.valueID = CSSValueLoose;
@@ skipping 3260 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return ContainsNone;
 }
 
 } // namespace blink
 
 #endif