Rename es => exceptionState in other than bindings/

Source/core/xml/XMLSerializer.cpp

Index: Source/core/xml/XMLSerializer.cpp
diff --git a/Source/core/xml/XMLSerializer.cpp b/Source/core/xml/XMLSerializer.cpp
index eb17e920b3afb86731b4fb9914cee6aafd3ef487..7c42e56f1dd55c34d80dc62e149b8040d6b5bafc 100644
--- a/Source/core/xml/XMLSerializer.cpp
+++ b/Source/core/xml/XMLSerializer.cpp
@@ -29,10 +29,10 @@
 
 namespace WebCore {
 
-String XMLSerializer::serializeToString(Node* node, ExceptionState& es)
+String XMLSerializer::serializeToString(Node* node, ExceptionState& exceptionState)
 {
     if (!node) {
-        es.throwDOMException(TypeError, "Invalid node value.");
+        exceptionState.throwDOMException(TypeError, "Invalid node value.");
         return String();
     }