Revert r403630 which broke parsing on some sites.

third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp b/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp
deleted file mode 100644
index f5471c62e8e90530891672a07bb92fccacf7315f..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulatorTest.cpp
+++ /dev/null
@@ -1,72 +0,0 @@
-// 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/html/parser/HTMLTreeBuilderSimulator.h"
-
-#include "core/html/parser/CompactHTMLToken.h"
-#include "core/html/parser/HTMLParserOptions.h"
-#include "core/html/parser/HTMLToken.h"
-#include "core/html/parser/HTMLTokenizer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "wtf/text/TextPosition.h"
-
-#include <memory>
-
-namespace blink {
-
-namespace {
-
-static void startTag(HTMLToken& token, const char* name)
-{
-    token.clear();
-    token.beginStartTag(name[0]);
-    size_t length = strlen(name);
-    for (size_t i = 1; i < length; ++i)
-        token.appendToName(name[i]);
-}
-
-static void simulate(HTMLTreeBuilderSimulator& simulator, HTMLToken& token, HTMLTokenizer* tokenizer)
-{
-    CompactHTMLToken compactToken(&token, TextPosition::minimumPosition());
-    simulator.simulate(compactToken, tokenizer);
-}
-
-// This is a regression test for crbug.com/542803
-TEST(HTMLTreeBuilderSimulatorTest, ChangeStateInForeignContentAtHTMLIntegrationPoint)
-{
-    HTMLParserOptions options;
-    HTMLTreeBuilderSimulator simulator(options);
-    std::unique_ptr<HTMLTokenizer> tokenizer = HTMLTokenizer::create(options);
-    HTMLToken token;
-
-    startTag(token, "svg");
-    simulate(simulator, token, tokenizer.get()); // open elements: svg
-    EXPECT_EQ(HTMLTokenizer::DataState, tokenizer->getState())
-        << "the svg start tag should have put the simulator into 'in body' "
-        << "state";
-
-    startTag(token, "title");
-    simulate(simulator, token, tokenizer.get()); // svg > title
-    EXPECT_EQ(HTMLTokenizer::DataState, tokenizer->getState())
-        << "the title start tag should not have flipped the simulator into "
-        << "RCDATA state because svg is not a HTML integration point";
-
-    startTag(token, "desc");
-    simulate(simulator, token, tokenizer.get()); // svg > title > desc
-    EXPECT_EQ(HTMLTokenizer::DataState, tokenizer->getState())
-        << "the desc tag should not have flipped the simulator into the "
-        << "any unusual state because desc parsing rules do not change state, "
-        << "despite title being a HTML integration point";
-
-    startTag(token, "title");
-    simulate(simulator, token, tokenizer.get()); // svg > title > desc > title
-    EXPECT_EQ(HTMLTokenizer::RCDATAState, tokenizer->getState())
-        << "the title start tag should have flipped the simulator into the "
-        << "RCDATA state for title, despite being in foreign content mode, "
-        << "because desc is a HTML integration point";
-}
-
-}
-
-} // namespace blink