Rename es => exceptionState in other than bindings/

Source/core/frame/DOMWindowBase64.cpp

Index: Source/core/frame/DOMWindowBase64.cpp
diff --git a/Source/core/frame/DOMWindowBase64.cpp b/Source/core/frame/DOMWindowBase64.cpp
index a2e8d5ec185591b23fc6e560cb87dc024e92e076..2d2e1f7c3240a3d747745426761edbd16ab1f592 100644
--- a/Source/core/frame/DOMWindowBase64.cpp
+++ b/Source/core/frame/DOMWindowBase64.cpp
@@ -42,31 +42,31 @@ namespace WebCore {
 
 namespace DOMWindowBase64 {
 
-String btoa(void*, const String& stringToEncode, ExceptionState& es)
+String btoa(void*, const String& stringToEncode, ExceptionState& exceptionState)
 {
     if (stringToEncode.isNull())
         return String();
 
     if (!stringToEncode.containsOnlyLatin1()) {
-        es.throwDOMException(InvalidCharacterError, "'btoa' failed: The string to be encoded contains characters outside of the Latin1 range.");
+        exceptionState.throwDOMException(InvalidCharacterError, "'btoa' failed: The string to be encoded contains characters outside of the Latin1 range.");
         return String();
     }
 
     return base64Encode(stringToEncode.latin1());
 }
 
-String atob(void*, const String& encodedString, ExceptionState& es)
+String atob(void*, const String& encodedString, ExceptionState& exceptionState)
 {
     if (encodedString.isNull())
         return String();
 
     if (!encodedString.containsOnlyLatin1()) {
-        es.throwDOMException(InvalidCharacterError, "'atob' failed: The string to be decoded contains characters outside of the Latin1 range.");
+        exceptionState.throwDOMException(InvalidCharacterError, "'atob' failed: The string to be decoded contains characters outside of the Latin1 range.");
         return String();
     }
     Vector<char> out;
     if (!base64Decode(encodedString, out, isHTMLSpace<UChar>, Base64ValidatePadding)) {
-        es.throwDOMException(InvalidCharacterError, "'atob' failed: The string to be decoded is not correctly encoded.");
+        exceptionState.throwDOMException(InvalidCharacterError, "'atob' failed: The string to be decoded is not correctly encoded.");
         return String();
     }