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

third_party/WebKit/Source/core/editing/VisiblePositionTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/editing/VisiblePosition.h"
 
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/editing/EditingTestBase.h"
 #include "core/editing/VisibleUnits.h"
 
@@ skipping 51 matching lines @@
 }
 
 TEST_F(VisiblePositionTest, NonNullInvalidatedAfterDOMChange) {
   setBodyContent("<p>one</p>");
 
   Element* paragraph = document().querySelector("p");
   Position position(paragraph->firstChild(), 1);
   VisiblePosition nullVisiblePosition;
   VisiblePosition nonNullVisiblePosition = createVisiblePosition(position);
 
-  Element* div = document().createElement("div", ASSERT_NO_EXCEPTION);
+  Element* div = document().createElement("div");
   document().body()->appendChild(div);
 
   EXPECT_TRUE(nullVisiblePosition.isValid());
   EXPECT_FALSE(nonNullVisiblePosition.isValid());
 
   updateAllLifecyclePhases();
 
   // Invalid VisiblePosition can never become valid again.
   EXPECT_FALSE(nonNullVisiblePosition.isValid());
 }
@@ skipping 19 matching lines @@
   updateAllLifecyclePhases();
 
   // Invalid VisiblePosition can never become valid again.
   EXPECT_FALSE(visiblePosition1.isValid());
   EXPECT_FALSE(visiblePosition2.isValid());
 }
 
 #endif
 
 }  // namespace blink