[bindings] Bindings should only support the prescribed types for constants.

Source/bindings/core/v8/V8DOMConfiguration.h

Index: Source/bindings/core/v8/V8DOMConfiguration.h
diff --git a/Source/bindings/core/v8/V8DOMConfiguration.h b/Source/bindings/core/v8/V8DOMConfiguration.h
index ce95d77deeae3c280105fef88d1795ea88a134c7..ff3513984c2cad3d1715fbef768ad4b58ba550d6 100644
--- a/Source/bindings/core/v8/V8DOMConfiguration.h
+++ b/Source/bindings/core/v8/V8DOMConfiguration.h
@@ -115,8 +115,7 @@ public:
         ConstantTypeUnsignedShort,
         ConstantTypeUnsignedLong,
         ConstantTypeFloat,
-        ConstantTypeDouble,
-        ConstantTypeString
+        ConstantTypeDouble
     };
 
     // ConstantConfiguration translates into calls to Set() for setting up an
@@ -128,7 +127,6 @@ public:
         const char* const name;
         int ivalue;
         double dvalue;
-        const char* const svalue;
         ConstantType type;
     };