--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/mac/PageMac.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2008 Apple 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 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 "DocumentLoader.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "Page.h"
+
+namespace WebCore {
+
+void Page::addSchedulePair(PassRefPtr<SchedulePair> prpPair)
+{
+    RefPtr<SchedulePair> pair = prpPair;
+
+    if (!m_scheduledRunLoopPairs)
+        m_scheduledRunLoopPairs.set(new SchedulePairHashSet);
+    m_scheduledRunLoopPairs->add(pair);
+
+#ifndef BUILDING_ON_TIGER
+    for (Frame* frame = m_mainFrame.get(); frame; frame = frame->tree()->traverseNext()) {
+        if (DocumentLoader* documentLoader = frame->loader()->documentLoader())
+            documentLoader->schedule(pair.get());
+        if (DocumentLoader* documentLoader = frame->loader()->provisionalDocumentLoader())
+            documentLoader->schedule(pair.get());
+    }
+#endif
+
+    // FIXME: make SharedTimerMac use these SchedulePairs.
+}
+
+void Page::removeSchedulePair(PassRefPtr<SchedulePair> prpPair)
+{
+    ASSERT(m_scheduledRunLoopPairs);
+    if (!m_scheduledRunLoopPairs)
+        return;
+
+    RefPtr<SchedulePair> pair = prpPair;
+    m_scheduledRunLoopPairs->remove(pair);
+
+#ifndef BUILDING_ON_TIGER
+    for (Frame* frame = m_mainFrame.get(); frame; frame = frame->tree()->traverseNext()) {
+        if (DocumentLoader* documentLoader = frame->loader()->documentLoader())
+            documentLoader->unschedule(pair.get());
+        if (DocumentLoader* documentLoader = frame->loader()->provisionalDocumentLoader())
+            documentLoader->unschedule(pair.get());
+    }
+#endif
+}
+
+} // namespace