DOMTokenList: Rename add() and remove() with single string argument.

third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp b/third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp
index ea4a0682bb25f76ca9f374fa462f62b79168d3d2..00a895daef38c8c34f14f63333953124f0bbb3b4 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObjectTest.cpp
@@ -312,9 +312,7 @@ TEST_F(LayoutBoxModelObjectTest, StickyPositionConstraintInvalidation) {
                 scrollable_area->GetStickyConstraintsMap().at(sticky->Layer()))
                 .Location()
                 .X());
-  ToHTMLElement(target->GetNode())
-      ->classList()
-      .add("hide", ASSERT_NO_EXCEPTION);
+  ToHTMLElement(target->GetNode())->classList().Add("hide");
   GetDocument().View()->UpdateLifecycleToLayoutClean();
   // Layout should invalidate the sticky constraints of the sticky element and
   // mark it as needing a compositing inputs update.