diff -r 000000000000 -r 4f2f89ce4247 WebKit/win/WebCoreStatistics.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/win/WebCoreStatistics.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,221 @@
+/*
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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
+ * 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 "WebKitDLL.h"
+#include "WebCoreStatistics.h"
+
+#include "COMPropertyBag.h"
+#include <JavaScriptCore/JSLock.h>
+#include <WebCore/FontCache.h>
+#include <WebCore/GlyphPageTreeNode.h>
+#include <WebCore/IconDatabase.h>
+#include <WebCore/JSDOMWindow.h>
+
+using namespace JSC;
+using namespace WebCore;
+
+// WebCoreStatistics ---------------------------------------------------------------------------
+
+WebCoreStatistics::WebCoreStatistics()
+: m_refCount(0)
+{
+    gClassCount++;
+    gClassNameCount.add("WebCoreStatistics");
+}
+
+WebCoreStatistics::~WebCoreStatistics()
+{
+    gClassCount--;
+    gClassNameCount.remove("WebCoreStatistics");
+}
+
+WebCoreStatistics* WebCoreStatistics::createInstance()
+{
+    WebCoreStatistics* instance = new WebCoreStatistics();
+    instance->AddRef();
+    return instance;
+}
+
+// IUnknown -------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualGUID(riid, IID_IUnknown))
+        *ppvObject = static_cast<WebCoreStatistics*>(this);
+    else if (IsEqualGUID(riid, IID_IWebCoreStatistics))
+        *ppvObject = static_cast<WebCoreStatistics*>(this);
+    else
+        return E_NOINTERFACE;
+
+    AddRef();
+    return S_OK;
+}
+
+ULONG STDMETHODCALLTYPE WebCoreStatistics::AddRef(void)
+{
+    return ++m_refCount;
+}
+
+ULONG STDMETHODCALLTYPE WebCoreStatistics::Release(void)
+{
+    ULONG newRef = --m_refCount;
+    if (!newRef)
+        delete(this);
+
+    return newRef;
+}
+
+// IWebCoreStatistics ------------------------------------------------------------------------------
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptObjectsCount( 
+    /* [retval][out] */ UINT* count)
+{
+    if (!count)
+        return E_POINTER;
+
+    JSLock lock(SilenceAssertionsOnly);
+    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.objectCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptGlobalObjectsCount( 
+    /* [retval][out] */ UINT* count)
+{
+    if (!count)
+        return E_POINTER;
+
+    JSLock lock(SilenceAssertionsOnly);
+    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectsCount( 
+    /* [retval][out] */ UINT* count)
+{
+    if (!count)
+        return E_POINTER;
+
+    JSLock lock(SilenceAssertionsOnly);
+    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedGlobalObjectsCount( 
+    /* [retval][out] */ UINT* count)
+{
+    if (!count)
+        return E_POINTER;
+
+    JSLock lock(SilenceAssertionsOnly);
+    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectTypeCounts( 
+    /* [retval][out] */ IPropertyBag2** typeNamesAndCounts)
+{
+    JSLock lock(SilenceAssertionsOnly);
+    OwnPtr<HashCountedSet<const char*> > jsObjectTypeNames(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());
+    typedef HashCountedSet<const char*>::const_iterator Iterator;
+    Iterator end = jsObjectTypeNames->end();
+    HashMap<String, int> typeCountMap;
+    for (Iterator current = jsObjectTypeNames->begin(); current != end; ++current)
+        typeCountMap.set(current->first, current->second);
+
+    COMPtr<IPropertyBag2> results(AdoptCOM, COMPropertyBag<int>::createInstance(typeCountMap));
+    results.copyRefTo(typeNamesAndCounts);
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconPageURLMappingCount( 
+    /* [retval][out] */ UINT* count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) iconDatabase()->pageURLMappingCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRetainedPageURLCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) iconDatabase()->retainedPageURLCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRecordCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) iconDatabase()->iconRecordCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconsWithDataCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) iconDatabase()->iconRecordCountWithData();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) fontCache()->fontDataCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataInactiveCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) fontCache()->inactiveFontDataCount();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::purgeInactiveFontData(void)
+{
+    fontCache()->purgeInactiveFontData();
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE WebCoreStatistics::glyphPageCount( 
+    /* [retval][out] */ UINT *count)
+{
+    if (!count)
+        return E_POINTER;
+    *count = (UINT) GlyphPageTreeNode::treeGlyphPageCount();
+    return S_OK;
+}