Add a missing updateStyleAndLayout call in InsertListCommand.

third_party/WebKit/Source/core/editing/commands/InsertListCommandTest.cpp

Index: third_party/WebKit/Source/core/editing/commands/InsertListCommandTest.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/InsertListCommandTest.cpp b/third_party/WebKit/Source/core/editing/commands/InsertListCommandTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..eb70b3574f76684adf611519373a42baf4f528fc
--- /dev/null
+++ b/third_party/WebKit/Source/core/editing/commands/InsertListCommandTest.cpp
@@ -0,0 +1,44 @@
+// Copyright 2016 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/commands/InsertListCommand.h"
+
+#include "core/dom/ParentNode.h"
+#include "core/dom/Text.h"
+#include "core/editing/EditingTestBase.h"
+#include "core/editing/FrameSelection.h"
+
+namespace blink {
+
+class InsertListCommandTest : public EditingTestBase {
+};
+
+TEST_F(InsertListCommandTest, ShouldCleanlyRemoveSpuriousTextNode)
+{
+    // Needs to be editable to use InsertListCommand.
+    document().setDesignMode("on");
+    // Set up the condition:
+    // * Selection is a range, to go down into InsertListCommand::listifyParagraph.
+    // * The selection needs to have a sibling list to go down into
+    //   InsertListCommand::mergeWithNeighboringLists.
+    // * Should be the same type (ordered list) to go into
+    //   CompositeEditCommand::mergeIdenticalElements.
+    // * Should have no actual children to fail the listChildNode check
+    //   in InsertListCommand::doApplyForSingleParagraph.
+    // * There needs to be an extra text node to trigger its removal in
+    //   CompositeEditCommand::mergeIdenticalElements.
+    // The removeNode is what updates document lifecycle to VisualUpdatePending and
+    // makes FrameView::needsLayout return true.
+    setBodyContent("\nd\n<ol>");
+    Text* emptyText = document().createTextNode("");
+    document().body()->insertBefore(emptyText, document().body()->firstChild());
+    document().frame()->selection().setSelection(VisibleSelection(Position(document().body(), 0), Position(document().body(), 2)));
+
+    InsertListCommand* command = InsertListCommand::create(document(), InsertListCommand::OrderedList);
+    // This should not DCHECK.
+    EXPECT_TRUE(command->apply()) << "The insert ordered list command should have succeeded";
+    EXPECT_EQ("<ol><li>d</li></ol>", document().body()->innerHTML());
+}
+
+}