Rename es => exceptionState in other than bindings/

Source/core/html/HTMLCanvasElement.cpp

Index: Source/core/html/HTMLCanvasElement.cpp
diff --git a/Source/core/html/HTMLCanvasElement.cpp b/Source/core/html/HTMLCanvasElement.cpp
index 8c8e66d0d789a708ad682a89e319ee69f604a1b8..85d444a1d1a0dd25a56f8204dedf14e0b354e1fa 100644
--- a/Source/core/html/HTMLCanvasElement.cpp
+++ b/Source/core/html/HTMLCanvasElement.cpp
@@ -370,10 +370,10 @@ String HTMLCanvasElement::toEncodingMimeType(const String& mimeType)
     return lowercaseMimeType;
 }
 
-String HTMLCanvasElement::toDataURL(const String& mimeType, const double* quality, ExceptionState& es)
+String HTMLCanvasElement::toDataURL(const String& mimeType, const double* quality, ExceptionState& exceptionState)
 {
     if (!m_originClean) {
-        es.throwSecurityError(ExceptionMessages::failedToExecute("toDataURL", "HTMLCanvasElement", "tainted canvases may not be exported."));
+        exceptionState.throwSecurityError(ExceptionMessages::failedToExecute("toDataURL", "HTMLCanvasElement", "tainted canvases may not be exported."));
         return String();
     }