Encapsulate the CSSPrimitiveValue UnitType trie bethind a method that takes a StringView.

third_party/WebKit/Source/core/css/cssom/CSSLengthValue.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/cssom/CSSLengthValue.h"
 
 #include "bindings/core/v8/ExceptionState.h"
-#include "core/css/CSSPrimitiveValueUnitTrie.h"
+#include "core/css/CSSPrimitiveValue.h"
 #include "core/css/cssom/CSSCalcLength.h"
 #include "core/css/cssom/CSSSimpleLength.h"
 #include "core/css/cssom/CalcDictionary.h"
 #include "wtf/HashMap.h"
 
 namespace blink {
 
 CSSPrimitiveValue::UnitType CSSLengthValue::unitFromName(const String& name)
 {
-    if (equalIgnoringASCIICase(name, "percent") || name == "%") {
+    if (equalIgnoringASCIICase(name, "percent") || name == "%")
         return CSSPrimitiveValue::UnitType::Percentage;
-    }
-    if (name.is8Bit())
-        return lookupCSSPrimitiveValueUnit(name.characters8(), name.length());
-    return lookupCSSPrimitiveValueUnit(name.characters16(), name.length());
+    return CSSPrimitiveValue::stringToUnitType(name);
 }
 
 CSSLengthValue* CSSLengthValue::from(const String& cssString, ExceptionState& exceptionState)
 {
     // TODO: Implement
     return nullptr;
 }
 
 CSSLengthValue* CSSLengthValue::from(double value, const String& type, ExceptionState&)
 {
@@ skipping 51 matching lines @@
     return nullptr;
 }
 
 CSSLengthValue* CSSLengthValue::divideInternal(double, ExceptionState&)
 {
     NOTREACHED();
     return nullptr;
 }
 
 } // namespace blink