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

third_party/WebKit/Source/core/css/CSSPrimitiveValue.h

Index: third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h b/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
index 0ead913c1005fa47064f1fdffb4f206758f43dc8..8114f109d8c801d1bc92f3468ce75f1dda864502 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValue.h
@@ -32,6 +32,7 @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/TypeTraits.h"
 #include "wtf/text/StringHash.h"
+#include "wtf/text/StringView.h"
 
 namespace blink {
 
@@ -244,6 +245,13 @@ public:
     template<typename T> inline T convertTo() const; // Defined in CSSPrimitiveValueMappings.h
 
     static const char* unitTypeToString(UnitType);
+    static UnitType stringToUnitType(StringView string)
+    {
+        if (string.is8Bit())
+            return stringToUnitType(string.characters8(), string.length());
+        return stringToUnitType(string.characters16(), string.length());
+    }
+
     String customCSSText() const;
 
     bool equals(const CSSPrimitiveValue&) const;
@@ -274,6 +282,10 @@ private:
     static void create(unsigned); // compile-time guard
     template<typename T> operator T*(); // compile-time guard
 
+    // Code generated by CSSPrimitiveValueUnitTrie.cpp.tmpl
+    static UnitType stringToUnitType(const LChar*, unsigned length);
+    static UnitType stringToUnitType(const UChar*, unsigned length);
+
     void init(UnitType);
     void init(const Length&);
     void init(CSSCalcValue*);