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

third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp

Index: third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp b/third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp
index 426340a687a8105babaa1fc3d088f7db4ce3ed96..39af30a8a6b217289abb2fb9b41ea3940f5ecae1 100644
--- a/third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElementTest.cpp
@@ -186,7 +186,7 @@ TEST(CustomElementTest, StateByCreateElement) {
   std::unique_ptr<DummyPageHolder> pageHolder = DummyPageHolder::create();
   Document& document = pageHolder->document();
   for (const auto& data : createElementData) {
-    Element* element = document.createElement(data.name, ASSERT_NO_EXCEPTION);
+    Element* element = document.createElement(data.name);
     EXPECT_EQ(data.state, element->getCustomElementState()) << data.name;
     EXPECT_EQ(data.v0state, element->getV0CustomElementState()) << data.name;