diff -r 000000000000 -r 4f2f89ce4247 WebCore/plugins/chromium/PluginDataChromium.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/plugins/chromium/PluginDataChromium.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2008, 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 "PluginDataChromium.h"
+
+#include "ChromiumBridge.h"
+
+namespace WebCore {
+
+class PluginCache {
+public:
+    PluginCache() : m_loaded(false), m_refresh(false) {}
+    ~PluginCache() { reset(false); }
+
+    void reset(bool refresh)
+    {
+        m_plugins.clear();
+        m_loaded = false;
+        m_refresh = refresh;
+    }
+
+    const Vector<PluginInfo>& plugins()
+    {
+        if (!m_loaded) {
+            ChromiumBridge::plugins(m_refresh, &m_plugins);
+            m_loaded = true;
+            m_refresh = false;
+        }
+        return m_plugins;
+    }
+
+private:
+    Vector<PluginInfo> m_plugins;
+    bool m_loaded;
+    bool m_refresh;
+};
+
+static PluginCache pluginCache;
+
+void PluginData::initPlugins()
+{
+    const Vector<PluginInfo>& plugins = pluginCache.plugins();
+    for (size_t i = 0; i < plugins.size(); ++i)
+        m_plugins.append(plugins[i]);
+}
+
+void PluginData::refresh()
+{
+    pluginCache.reset(true);
+    pluginCache.plugins();  // Force the plugins to be reloaded now.
+}
+
+String getPluginMimeTypeFromExtension(const String& extension)
+{
+    const Vector<PluginInfo>& plugins = pluginCache.plugins();
+    for (size_t i = 0; i < plugins.size(); ++i) {
+        for (size_t j = 0; j < plugins[i].mimes.size(); ++j) {
+            const MimeClassInfo& mime = plugins[i].mimes[j];
+            const Vector<String>& extensions = mime.extensions;
+            for (size_t k = 0; k < extensions.size(); ++k) {
+                if (extension == extensions[k])
+                    return mime.type;
+            }
+        }
+    }
+    return String();
+}
+
+} // namespace WebCore