Revert of Make InsertTextCommand not to apply style for empty selection

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

-// Copyright (c) 2017 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/InsertTextCommand.h"
-
-#include "core/editing/EditingTestBase.h"
-#include "core/editing/FrameSelection.h"
-
-namespace blink {
-
-class InsertTextCommandTest : public EditingTestBase {};
-
-// http://crbug.com/714311
-TEST_F(InsertTextCommandTest, WithTypingStyle) {
-  SetBodyContent("<div contenteditable=true><option id=sample></option></div>");
-  Element* const sample = GetDocument().getElementById("sample");
-  Selection().SetSelection(
-      SelectionInDOMTree::Builder().Collapse(Position(sample, 0)).Build());
-  // Register typing style to make |InsertTextCommand| to attempt to apply
-  // style to inserted text.
-  GetDocument().execCommand("fontSizeDelta", false, "+3", ASSERT_NO_EXCEPTION);
-  CompositeEditCommand* const command =
-      InsertTextCommand::Create(GetDocument(), "x");
-  command->Apply();
-
-  EXPECT_EQ(
-      "<div contenteditable=\"true\"><option id=\"sample\">x</option></div>",
-      GetDocument().body()->innerHTML())
-      << "Content of OPTION is distributed into shadow node as text"
-         "without applying typing style.";
-}
-
-}  // namespace blink