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diff --git a/chromium/third_party/blink/renderer/platform/plugins/plugin_data.h b/chromium/third_party/blink/renderer/platform/plugins/plugin_data.h
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+++ b/chromium/third_party/blink/renderer/platform/plugins/plugin_data.h
@@ -0,0 +1,124 @@
+
+/*
+    Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_PLUGINS_PLUGIN_DATA_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_PLUGINS_PLUGIN_DATA_H_
+
+#include "third_party/blink/renderer/platform/graphics/color.h"
+#include "third_party/blink/renderer/platform/heap/handle.h"
+#include "third_party/blink/renderer/platform/platform_export.h"
+#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
+#include "third_party/blink/renderer/platform/wtf/noncopyable.h"
+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
+#include "third_party/blink/renderer/platform/wtf/vector.h"
+
+namespace blink {
+
+class PluginInfo;
+
+class PLATFORM_EXPORT MimeClassInfo final
+    : public GarbageCollectedFinalized<MimeClassInfo> {
+ public:
+  void Trace(blink::Visitor*);
+
+  MimeClassInfo(const String& type, const String& desc, PluginInfo&);
+
+  const String& Type() const { return type_; }
+  const String& Description() const { return description_; }
+  const Vector<String>& Extensions() const { return extensions_; }
+  const PluginInfo* Plugin() const { return plugin_; }
+
+ private:
+  friend class PluginData;
+  friend class PluginListBuilder;
+
+  String type_;
+  String description_;
+  Vector<String> extensions_;
+  Member<PluginInfo> plugin_;
+};
+
+class PLATFORM_EXPORT PluginInfo final
+    : public GarbageCollectedFinalized<PluginInfo> {
+ public:
+  void Trace(blink::Visitor*);
+
+  PluginInfo(const String& name,
+             const String& filename,
+             const String& desc,
+             Color background_color);
+
+  void AddMimeType(MimeClassInfo*);
+
+  const HeapVector<Member<MimeClassInfo>>& Mimes() const { return mimes_; }
+  const MimeClassInfo* GetMimeClassInfo(size_t index) const;
+  const MimeClassInfo* GetMimeClassInfo(const String& type) const;
+  size_t GetMimeClassInfoSize() const;
+
+  const String& Name() const { return name_; }
+  const String& Filename() const { return filename_; }
+  const String& Description() const { return description_; }
+  Color BackgroundColor() const { return background_color_; }
+
+ private:
+  friend class MimeClassInfo;
+  friend class PluginData;
+  friend class PluginListBuilder;
+
+  String name_;
+  String filename_;
+  String description_;
+  Color background_color_;
+  HeapVector<Member<MimeClassInfo>> mimes_;
+};
+
+class PLATFORM_EXPORT PluginData final
+    : public GarbageCollectedFinalized<PluginData> {
+  WTF_MAKE_NONCOPYABLE(PluginData);
+
+ public:
+  void Trace(blink::Visitor*);
+
+  static PluginData* Create() { return new PluginData(); }
+
+  const HeapVector<Member<PluginInfo>>& Plugins() const { return plugins_; }
+  const HeapVector<Member<MimeClassInfo>>& Mimes() const { return mimes_; }
+  const SecurityOrigin* Origin() const { return main_frame_origin_.get(); }
+  void UpdatePluginList(const SecurityOrigin* main_frame_origin);
+  void ResetPluginData();
+
+  bool SupportsMimeType(const String& mime_type) const;
+  Color PluginBackgroundColorForMimeType(const String& mime_type) const;
+
+  // refreshBrowserSidePluginCache doesn't update existent instances of
+  // PluginData.
+  static void RefreshBrowserSidePluginCache();
+
+ private:
+  PluginData() = default;
+
+  HeapVector<Member<PluginInfo>> plugins_;
+  HeapVector<Member<MimeClassInfo>> mimes_;
+  scoped_refptr<const SecurityOrigin> main_frame_origin_;
+};
+
+}  // namespace blink
+
+#endif