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diff --git a/Source/WebKit2/UIProcess/WebResourceLoadStatisticsManager.cpp b/Source/WebKit2/UIProcess/WebResourceLoadStatisticsManager.cpp
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+++ b/Source/WebKit2/UIProcess/WebResourceLoadStatisticsManager.cpp
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+/*
+ * Copyright (C) 2017 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.
+ *
+ * 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 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 "WebResourceLoadStatisticsManager.h"
+
+#include "Logging.h"
+#include "WebResourceLoadStatisticsStore.h"
+#include <WebCore/ResourceLoadObserver.h>
+#include <WebCore/URL.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+void WebResourceLoadStatisticsManager::setPrevalentResource(const String& hostName, bool value)
+{
+    if (value)
+        WebCore::ResourceLoadObserver::sharedObserver().setPrevalentResource(URL(URL(), hostName));
+    else
+        WebCore::ResourceLoadObserver::sharedObserver().clearPrevalentResource(URL(URL(), hostName));
+}
+
+bool WebResourceLoadStatisticsManager::isPrevalentResource(const String& hostName)
+{
+    return WebCore::ResourceLoadObserver::sharedObserver().isPrevalentResource(URL(URL(), hostName));
+}
+    
+void WebResourceLoadStatisticsManager::setHasHadUserInteraction(const String& hostName, bool value)
+{
+    if (value)
+        WebCore::ResourceLoadObserver::sharedObserver().logUserInteraction(URL(URL(), hostName));
+    else
+        WebCore::ResourceLoadObserver::sharedObserver().clearUserInteraction(URL(URL(), hostName));
+}
+
+bool WebResourceLoadStatisticsManager::hasHadUserInteraction(const String& hostName)
+{
+    return WebCore::ResourceLoadObserver::sharedObserver().hasHadUserInteraction(URL(URL(), hostName));
+}
+
+void WebResourceLoadStatisticsManager::setTimeToLiveUserInteraction(double seconds)
+{
+    WebCore::ResourceLoadObserver::sharedObserver().setTimeToLiveUserInteraction(seconds);
+}
+
+void WebResourceLoadStatisticsManager::fireDataModificationHandler()
+{
+    WebCore::ResourceLoadObserver::sharedObserver().fireDataModificationHandler();
+}
+
+void WebResourceLoadStatisticsManager::setNotifyPagesWhenDataRecordsWereScanned(bool value)
+{
+    WebResourceLoadStatisticsStore::setNotifyPagesWhenDataRecordsWereScanned(value);
+}
+
+void WebResourceLoadStatisticsManager::setShouldClassifyResourcesBeforeDataRecordsRemoval(bool value)
+{
+    WebResourceLoadStatisticsStore::setShouldClassifyResourcesBeforeDataRecordsRemoval(value);
+}
+
+void WebResourceLoadStatisticsManager::setMinimumTimeBetweeenDataRecordsRemoval(double seconds)
+{
+    WebResourceLoadStatisticsStore::setMinimumTimeBetweeenDataRecordsRemoval(seconds);
+}
+
+void WebResourceLoadStatisticsManager::resetToConsistentState()
+{
+    WebCore::ResourceLoadObserver::sharedObserver().setTimeToLiveUserInteraction(2592000);
+    WebResourceLoadStatisticsStore::setNotifyPagesWhenDataRecordsWereScanned(false);
+    WebResourceLoadStatisticsStore::setShouldClassifyResourcesBeforeDataRecordsRemoval(true);
+    WebResourceLoadStatisticsStore::setMinimumTimeBetweeenDataRecordsRemoval(60);
+    auto store = WebCore::ResourceLoadObserver::sharedObserver().statisticsStore();
+    if (store)
+        store->clear();
+}
+    
+} // namespace WebKit