Use a frame-specific timer task runner for ValidationMessageClientImpl.

third_party/WebKit/Source/web/ValidationMessageClientImpl.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  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.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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
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 #include "web/ValidationMessageClientImpl.h"
 
 #include "core/dom/Element.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/FrameView.h"
 #include "platform/HostWindow.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebString.h"
 #include "public/web/WebTextDirection.h"
 #include "public/web/WebViewClient.h"
 #include "web/WebViewImpl.h"
 #include "wtf/CurrentTime.h"
 
 namespace blink {
 
 ValidationMessageClientImpl::ValidationMessageClientImpl(WebViewImpl& webView)
     : m_webView(webView),
       m_currentAnchor(nullptr),
       m_lastPageScaleFactor(1),
-      m_finishTime(0),
-      m_timer(this, &ValidationMessageClientImpl::checkAnchorStatus) {}
+      m_finishTime(0) {}
 
 ValidationMessageClientImpl* ValidationMessageClientImpl::create(
     WebViewImpl& webView) {
   return new ValidationMessageClientImpl(webView);
 }
 
 ValidationMessageClientImpl::~ValidationMessageClientImpl() {}
 
 FrameView* ValidationMessageClientImpl::currentView() {
   return m_currentAnchor->document().view();
@@ skipping 27 matching lines @@
   m_webView.client()->showValidationMessage(
       anchorInViewport, m_message, toWebTextDirection(messageDir), subMessage,
       toWebTextDirection(subMessageDir));
 
   m_finishTime =
       monotonicallyIncreasingTime() +
       std::max(minimumSecondToShowValidationMessage,
                (message.length() + subMessage.length()) * secondPerCharacter);
   // FIXME: We should invoke checkAnchorStatus actively when layout, scroll,
   // or page scale change happen.
-  m_timer.startRepeating(statusCheckInterval, BLINK_FROM_HERE);
+  m_timer = WTF::makeUnique<TaskRunnerTimer<ValidationMessageClientImpl>>(
+      TaskRunnerHelper::get(TaskType::UnspecedTimer, &anchor.document()), this,
+      &ValidationMessageClientImpl::checkAnchorStatus);
+  m_timer->startRepeating(statusCheckInterval, BLINK_FROM_HERE);
 }
 
 void ValidationMessageClientImpl::hideValidationMessage(const Element& anchor) {
   if (!m_currentAnchor || !isValidationMessageVisible(anchor))
     return;
-  m_timer.stop();
+  m_timer = nullptr;
   m_currentAnchor = nullptr;
   m_message = String();
   m_finishTime = 0;
   m_webView.client()->hideValidationMessage();
 }
 
 bool ValidationMessageClientImpl::isValidationMessageVisible(
     const Element& anchor) {
   return m_currentAnchor == &anchor;
 }
@@ skipping 32 matching lines @@
   if (m_currentAnchor)
     hideValidationMessage(*m_currentAnchor);
 }
 
 DEFINE_TRACE(ValidationMessageClientImpl) {
   visitor->trace(m_currentAnchor);
   ValidationMessageClient::trace(visitor);
 }
 
 }  // namespace blink