Add number() static methods to AtomicString class

Source/core/html/HTMLBodyElement.cpp

Index: Source/core/html/HTMLBodyElement.cpp
diff --git a/Source/core/html/HTMLBodyElement.cpp b/Source/core/html/HTMLBodyElement.cpp
index e31e3414741b93e407ecac5f5c16db1b6a58f842..0fd9ca3ba327989537159b4d444043db2a4dc9c4 100644
--- a/Source/core/html/HTMLBodyElement.cpp
+++ b/Source/core/html/HTMLBodyElement.cpp
@@ -166,10 +166,10 @@ Node::InsertionNotificationRequest HTMLBodyElement::insertedInto(ContainerNode*
             HTMLFrameElementBase* ownerFrameElement = toHTMLFrameElementBase(ownerElement);
             int marginWidth = ownerFrameElement->marginWidth();
             if (marginWidth != -1)
-                setAttribute(marginwidthAttr, String::number(marginWidth));
+                setAttribute(marginwidthAttr, AtomicString::number(marginWidth));
             int marginHeight = ownerFrameElement->marginHeight();
             if (marginHeight != -1)
-                setAttribute(marginheightAttr, String::number(marginHeight));
+                setAttribute(marginheightAttr, AtomicString::number(marginHeight));

[eseidel, 2013/11/24 21:37:44]

Looks like some of these could use the helpers on Element.  But that can be a
later change.

[Inactive, 2013/11/24 22:30:01]

Excellent point, I'll update everywhere to use the Element helpers.

[Inactive, 2013/11/24 23:19:17]

Done.

         }
     }
     return InsertionDone;