Remove the unused HTMLParserThread

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

Index: third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp b/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
deleted file mode 100644
index 891d157191caf8663bcf66a32db235b81b79855d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/html/parser/HTMLParserThread.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2013 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/html/parser/HTMLParserThread.h"
-
-#include "platform/CrossThreadFunctional.h"
-#include "platform/WaitableEvent.h"
-#include "platform/heap/SafePoint.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebTraceLocation.h"
-
-namespace blink {
-
-static HTMLParserThread* s_sharedThread = nullptr;
-
-HTMLParserThread::HTMLParserThread() {}
-
-HTMLParserThread::~HTMLParserThread() {}
-
-void HTMLParserThread::init() {
-  ASSERT(!s_sharedThread);
-  s_sharedThread = new HTMLParserThread;
-}
-
-void HTMLParserThread::setupHTMLParserThread() {
-  ASSERT(m_thread);
-  m_thread->initialize();
-}
-
-void HTMLParserThread::shutdown() {
-  ASSERT(isMainThread());
-  ASSERT(s_sharedThread);
-  // currentThread will always be non-null in production, but can be null in
-  // Chromium unit tests.
-  if (Platform::current()->currentThread() && s_sharedThread->m_thread) {
-    WaitableEvent waitableEvent;
-    s_sharedThread->postTask(
-        crossThreadBind(&HTMLParserThread::cleanupHTMLParserThread,
-                        crossThreadUnretained(s_sharedThread),
-                        crossThreadUnretained(&waitableEvent)));
-    waitableEvent.wait();
-  }
-  delete s_sharedThread;
-  s_sharedThread = nullptr;
-}
-
-void HTMLParserThread::cleanupHTMLParserThread(WaitableEvent* waitableEvent) {
-  m_thread->shutdown();
-  waitableEvent->signal();
-}
-
-HTMLParserThread* HTMLParserThread::shared() {
-  return s_sharedThread;
-}
-
-void HTMLParserThread::postTask(std::unique_ptr<CrossThreadClosure> closure) {
-  ASSERT(isMainThread());
-  if (!m_thread) {
-    m_thread = WebThreadSupportingGC::create("HTMLParserThread");
-    postTask(crossThreadBind(&HTMLParserThread::setupHTMLParserThread,
-                             crossThreadUnretained(this)));
-  }
-
-  m_thread->postTask(BLINK_FROM_HERE, std::move(closure));
-}
-
-}  // namespace blink