Draggable region support for frameless app window on Windows.

content/public/common/draggable_region.h

Index: content/public/common/draggable_region.h
diff --git a/content/public/common/draggable_region.h b/content/public/common/draggable_region.h
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index 0000000000000000000000000000000000000000..37f1b47297fb65ad13d9803774570a5a51e0f801
--- /dev/null
+++ b/content/public/common/draggable_region.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 CONTENT_PUBLIC_COMMON_DRAGGABLE_REGION_H_
+#define CONTENT_PUBLIC_COMMON_DRAGGABLE_REGION_H_
+
+#include "content/common/content_export.h"
+#include "ui/gfx/rect.h"
+
+namespace content {
+
+struct CONTENT_EXPORT DraggableRegion {
+  std::string label;
+  gfx::Rect bounds;
+  gfx::Rect clip;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_DRAGGABLE_REGION_H_