Add number() static methods to AtomicString class

Source/wtf/text/AtomicString.h

Index: Source/wtf/text/AtomicString.h
diff --git a/Source/wtf/text/AtomicString.h b/Source/wtf/text/AtomicString.h
index 91b83a5256720c8a4160b414d55953da2cf888de..698f4ca9aecba0b9d941c18b6b0a88a9b813595f 100644
--- a/Source/wtf/text/AtomicString.h
+++ b/Source/wtf/text/AtomicString.h
@@ -138,6 +138,15 @@ public:
     float toFloat(bool* ok = 0) const { return m_string.toFloat(ok); }
     bool percentage(int& p) const { return m_string.percentage(p); }
 
+    static AtomicString number(int);
+    static AtomicString number(unsigned);
+    static AtomicString number(long);
+    static AtomicString number(unsigned long);
+    static AtomicString number(long long);
+    static AtomicString number(unsigned long long);
+
+    static AtomicString number(double, unsigned precision = 6, TrailingZerosTruncatingPolicy = TruncateTrailingZeros);
+
     bool isNull() const { return m_string.isNull(); }
     bool isEmpty() const { return m_string.isEmpty(); }