Have the form control element directly handle validation message updating.

Source/core/html/forms/ValidationMessage.cpp

Index: Source/core/html/forms/ValidationMessage.cpp
diff --git a/Source/core/html/forms/ValidationMessage.cpp b/Source/core/html/forms/ValidationMessage.cpp
deleted file mode 100644
index df7475f4c3e7bec1d98221c690cec8c1be44b0b2..0000000000000000000000000000000000000000
--- a/Source/core/html/forms/ValidationMessage.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2010, 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:
- *
- *     * 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 "config.h"
-#include "core/html/forms/ValidationMessage.h"
-
-#include "core/dom/Document.h"
-#include "core/html/HTMLFormControlElement.h"
-#include "core/page/Page.h"
-#include "core/page/ValidationMessageClient.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace WebCore {
-
-ALWAYS_INLINE ValidationMessage::ValidationMessage(HTMLFormControlElement* element)
-    : m_element(element)
-{
-    ASSERT(m_element);
-}
-
-ValidationMessage::~ValidationMessage()
-{
-}
-
-PassOwnPtr<ValidationMessage> ValidationMessage::create(HTMLFormControlElement* element)
-{
-    return adoptPtr(new ValidationMessage(element));
-}
-
-ValidationMessageClient* ValidationMessage::validationMessageClient() const
-{
-    Page* page = m_element->document().page();
-    if (!page)
-        return 0;
-
-    return &page->validationMessageClient();
-}
-
-void ValidationMessage::updateValidationMessage(const String& message)
-{
-    ValidationMessageClient* client = validationMessageClient();
-    if (!client)
-        return;
-    if (message.isEmpty())
-        requestToHideMessage();
-    else
-        client->showValidationMessage(*m_element, message);
-}
-
-void ValidationMessage::requestToHideMessage()
-{
-    if (ValidationMessageClient* client = validationMessageClient())
-        client->hideValidationMessage(*m_element);
-}
-
-bool ValidationMessage::isVisible() const
-{
-    if (ValidationMessageClient* client = validationMessageClient())
-        return client->isValidationMessageVisible(*m_element);
-    return false;
-}
-
-} // namespace WebCore