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diff --git a/chrome/browser/views/tabs/hwnd_photobooth.h b/chrome/browser/views/tabs/hwnd_photobooth.h
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+++ b/chrome/browser/views/tabs/hwnd_photobooth.h
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+// Copyright (c) 2006-2008 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 CHROME_BROWSER_VIEWS_TABS_HWND_PHOTOBOOTH_H__
+#define CHROME_BROWSER_VIEWS_TABS_HWND_PHOTOBOOTH_H__
+
+#include "base/basictypes.h"
+#include "base/gfx/rect.h"
+
+class ChromeCanvas;
+namespace ChromeViews {
+class HWNDViewContainer;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HWNDPhotobooth
+//
+//  An object that a HWND "steps into" to have its picture taken. This is used
+//  to generate a full size screen shot of the contents of a HWND including
+//  any child windows.
+//
+//  Implementation note: This causes the HWND to be re-parented to a mostly
+//  off-screen layered window.
+//
+class HWNDPhotobooth {
+ public:
+  // Creates the photo booth. Constructs a nearly off-screen window, parents
+  // the HWND, then shows it. The caller is responsible for destroying this
+  // window, since the photo-booth will detach it before it is destroyed.
+  // |canvas| is a canvas to paint the contents into, and dest_bounds is the
+  // target area in |canvas| to which painted contents will be clipped.
+  explicit HWNDPhotobooth(HWND initial_hwnd);
+
+  // Destroys the photo booth window.
+  virtual ~HWNDPhotobooth();
+
+  // Replaces the HWND in the photo booth with the specified one. The caller is
+  // responsible for destroying this HWND since it will be detached from the
+  // capture window before the capture window is destroyed.
+  void ReplaceHWND(HWND new_hwnd);
+
+  // Paints the current display image of the window into |canvas|, clipped to
+  // |target_bounds|.
+  void PaintScreenshotIntoCanvas(ChromeCanvas* canvas,
+                                 const gfx::Rect& target_bounds);
+
+ private:
+  // Creates a mostly off-screen window to contain the HWND to be captured.
+  void CreateCaptureWindow(HWND initial_hwnd);
+
+  // The nearly off-screen photo-booth layered window used to hold the HWND.
+  ChromeViews::HWNDViewContainer* capture_window_;
+
+  // The current HWND being captured.
+  HWND current_hwnd_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(HWNDPhotobooth);
+};
+
+#endif  // #ifndef CHROME_BROWSER_VIEWS_TABS_HWND_PHOTOBOOTH_H__
+