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

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

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 901 matching lines @@
           ->getActiveWebInputMethodController();
 
   // The test requires non-empty composition.
   std::string compositionText("hello");
   WebVector<WebCompositionUnderline> emptyUnderlines;
   activeInputMethodController->setComposition(
       WebString::fromUTF8(compositionText.c_str()), emptyUnderlines, 5, 5);
 
   // 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
   // WebInputMethodController::finishComposingText with non-empty composition
   // and dirty layout.
   activeInputMethodController->finishComposingText(
       WebInputMethodController::KeepSelection);
 }
 
 TEST_P(WebViewTest, FinishComposingTextCursorPositionChange) {
@@ skipping 3416 matching lines @@
       .translate(50, 55)
       .scale(1. / 2.f);
   EXPECT_EQ(expectedMatrix,
             webViewImpl->getDeviceEmulationTransformForTesting());
   // visibleContentRect doesn't change.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 }
 
 }  // namespace blink