Make exceptionState parameter of Document::createElement() to have default value

third_party/WebKit/Source/web/tests/WebViewTest.cpp

Index: third_party/WebKit/Source/web/tests/WebViewTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebViewTest.cpp b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
index 5d8f627f55f1b5adbaec1328f78c49de5742fe51..3240966d898bafd2d579b4dbd84fa9b1a1bc8f07 100644
--- a/third_party/WebKit/Source/web/tests/WebViewTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebViewTest.cpp
@@ -919,7 +919,7 @@ TEST_P(WebViewTest, FinishComposingTextDoesNotAssert) {
 
   // Do arbitrary change to make layout dirty.
   Document& document = *webView->mainFrameImpl()->frame()->document();
-  Element* br = document.createElement("br", ASSERT_NO_EXCEPTION);
+  Element* br = document.createElement("br");
   document.body()->appendChild(br);
 
   // Should not hit assertion when calling