WTF HashSet: Implement move semantics for values.

third_party/WebKit/Source/wtf/text/StringHash.h

Index: third_party/WebKit/Source/wtf/text/StringHash.h
diff --git a/third_party/WebKit/Source/wtf/text/StringHash.h b/third_party/WebKit/Source/wtf/text/StringHash.h
index 5f4d843d6e299d24ea1ac304a6df728eb0e3d2d8..025f03c0ed9a727c741d26f8bef73ce74858533b 100644
--- a/third_party/WebKit/Source/wtf/text/StringHash.h
+++ b/third_party/WebKit/Source/wtf/text/StringHash.h
@@ -91,6 +91,11 @@ public:
         return CaseFoldingHash::hash(reinterpret_cast<const LChar*>(data), length);
     }
 
+    static inline unsigned hash(const char* data)
+    {
+        return CaseFoldingHash::hash(reinterpret_cast<const LChar*>(data), strlen(data));
+    }
+
     static inline bool equal(const StringImpl* a, const StringImpl* b)
     {
         return equalIgnoringCaseNonNull(a, b);