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

third_party/WebKit/Source/core/animation/AnimationStackTest.cpp

 // Copyright 2014 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/animation/AnimationStack.h"
 
 #include "core/animation/AnimationClock.h"
 #include "core/animation/CompositorPendingAnimations.h"
 #include "core/animation/DocumentTimeline.h"
 #include "core/animation/ElementAnimations.h"
 #include "core/animation/KeyframeEffectModel.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/animatable/AnimatableDouble.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <memory>
 
 namespace blink {
 
 class AnimationAnimationStackTest : public ::testing::Test {
  protected:
   virtual void SetUp() {
     pageHolder = DummyPageHolder::create();
     document = &pageHolder->document();
     document->animationClock().resetTimeForTesting();
     timeline = DocumentTimeline::create(document.get());
-    element = document->createElement("foo", ASSERT_NO_EXCEPTION);
+    element = document->createElement("foo");
   }
 
   Animation* play(KeyframeEffect* effect, double startTime) {
     Animation* animation = timeline->play(effect);
     animation->setStartTime(startTime * 1000);
     animation->update(TimingUpdateOnDemand);
     return animation;
   }
 
   void updateTimeline(double time) {
@@ skipping 175 matching lines @@
   interpolations = AnimationStack::activeInterpolations(
       &element->elementAnimations()->animationStack(), nullptr, nullptr,
       KeyframeEffectReadOnly::DefaultPriority);
   EXPECT_EQ(1u, interpolations.size());
   EXPECT_TRUE(interpolationValue(interpolations, CSSPropertyFontSize)
                   ->equals(AnimatableDouble::create(3).get()));
   EXPECT_EQ(1u, sampledEffectCount());
 }
 
 }  // namespace blink