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diff --git a/WebKit/chromium/src/win/WebScreenInfoFactory.cpp b/WebKit/chromium/src/win/WebScreenInfoFactory.cpp
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+++ b/WebKit/chromium/src/win/WebScreenInfoFactory.cpp
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+/*
+ * Copyright (C) 2009 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 "WebScreenInfoFactory.h"
+
+#include "WebScreenInfo.h"
+
+#include <windows.h>
+
+namespace WebKit {
+
+static WebRect toWebRect(const RECT& input)
+{
+    WebRect output;
+    output.x = input.left;
+    output.y = input.top;
+    output.width = input.right - input.left;
+    output.height = input.bottom - input.top;
+    return output;
+}
+
+WebScreenInfo WebScreenInfoFactory::screenInfo(HWND window)
+{
+    HMONITOR monitor = MonitorFromWindow(window, MONITOR_DEFAULTTOPRIMARY);
+
+    MONITORINFOEX monitorInfo;
+    monitorInfo.cbSize = sizeof(MONITORINFOEX);
+    GetMonitorInfo(monitor, &monitorInfo);
+
+    DEVMODE devMode;
+    devMode.dmSize = sizeof(devMode);
+    devMode.dmDriverExtra = 0;
+    EnumDisplaySettings(monitorInfo.szDevice, ENUM_CURRENT_SETTINGS, &devMode);
+
+    WebScreenInfo results;
+    results.depth = devMode.dmBitsPerPel;
+    results.depthPerComponent = devMode.dmBitsPerPel / 3;  // Assumes RGB
+    results.isMonochrome = devMode.dmColor == DMCOLOR_MONOCHROME;
+    results.rect = toWebRect(monitorInfo.rcMonitor);
+    results.availableRect = toWebRect(monitorInfo.rcWork);
+    return results;
+}
+
+} // namespace WebKit