Move HelpManager it's own source files.

Reviewed-by: ck

src/plugins/help/helpmanager.cpp

@@ -0,0 +1,60 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+#include "helpmanager.h"
+
+#include "helpplugin.h"
+
+#include <QtCore/QUrl>
+#include <QtCore/QString>
+
+using namespace Help;
+using namespace Help::Internal;
+
+HelpManager::HelpManager(HelpPlugin* plugin)
+    : m_plugin(plugin)
+{
+}
+
+void HelpManager::openHelpPage(const QString& url)
+{
+    m_plugin->handleHelpRequest(url);
+}
+
+void HelpManager::openContextHelpPage(const QString& url)
+{
+    m_plugin->openContextHelpPage(url);
+}
+
+void HelpManager::registerDocumentation(const QStringList &fileNames)
+{
+    if (m_plugin) {
+        m_plugin->setFilesToRegister(fileNames);
+        emit helpPluginUpdateDocumentation();
+    }
+}