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diff --git a/chromium/ui/gfx/sys_color_change_listener.h b/chromium/ui/gfx/sys_color_change_listener.h
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
+#define UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_
+
+#include "base/basictypes.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/base/ui_export.h"
+
+namespace gfx {
+
+// Returns true only if Chrome should use an inverted color scheme - which is
+// only true if the system has high-contrast mode enabled and and is using a
+// light-on-dark color scheme. To be notified when this status changes, use
+// ScopedSysColorChangeListener, below.
+UI_EXPORT bool IsInvertedColorScheme();
+
+// Interface for classes that want to listen to system color changes.
+class UI_EXPORT SysColorChangeListener {
+ public:
+ virtual void OnSysColorChange() = 0;
+
+ protected:
+ virtual ~SysColorChangeListener() {}
+};
+
+// Create an instance of this class in any object that wants to listen
+// for system color changes.
+class UI_EXPORT ScopedSysColorChangeListener {
+ public:
+ explicit ScopedSysColorChangeListener(SysColorChangeListener* listener);
+ ~ScopedSysColorChangeListener();
+
+ private:
+ SysColorChangeListener* listener_;
+
+ DISALLOW_COPY_AND_ASSIGN(ScopedSysColorChangeListener);
+};
+
+} // namespace gfx;
+
+#endif // UI_GFX_SYS_COLOR_CHANGE_LISTENER_H_