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diff --git a/chrome/browser/views/status_bubble.h b/chrome/browser/views/status_bubble.h
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+// Copyright 2008, 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.
+
+#ifndef CHROME_BROWSER_VIEWS_STATUS_BUBBLE_H__
+#define CHROME_BROWSER_VIEWS_STATUS_BUBBLE_H__
+
+#include "base/gfx/rect.h"
+#include "chrome/views/hwnd_view_container.h"
+#include "chrome/views/view_container.h"
+#include "googleurl/src/gurl.h"
+
+// StatusBubble displays a bubble of text that fades in, hovers over the
+// browser chrome and fades away when not needed. It is primarily designed
+// to allow users to see where hovered links point to.
+class StatusBubble {
+ public:
+  explicit StatusBubble(ChromeViews::ViewContainer* frame);
+  ~StatusBubble();
+
+  // Sets the bubble contents to a specific string and causes the bubble
+  // to display immediately. Subsequent empty SetURL calls (typically called
+  // when the cursor exits a link) will set the status bubble back to its
+  // status text. To hide the status bubble again, either call SetStatus
+  // with an empty string, or call Hide().
+  void SetStatus(const std::wstring& status);
+
+  // Sets the bubble text to a URL - if given a non-empty URL, this will cause
+  // the bubble to fade in and remain open until given an empty URL or until
+  // the Hide() method is called. languages is the value of Accept-Language
+  // to determine what characters are understood by a user.
+  void SetURL(const GURL& url, const std::wstring& languages);
+
+  // Clear the URL and begin the fadeout of the bubble if not status text
+  // needs to be displayed.
+  void ClearURL();
+
+  // Skip the fade and instant-hide the bubble.
+  void Hide();
+
+  // Called when the user's mouse has moved over web content.
+  void MouseMoved();
+
+  // Set the bounds of the bubble relative to the browser window.
+  void SetBounds(int x, int y, int w, int h);
+
+  // Reposition the bubble - as we are using a WS_POPUP for the bubble,
+  // we have to manually position it when the browser window moves.
+  void Reposition();
+
+ private:
+  class StatusView;
+
+  // Initializes the popup and view.
+  void Init();
+
+  // Attempt to move the status bubble out of the way of the cursor, allowing
+  // users to see links in the region normally occupied by the status bubble.
+  void AvoidMouse();
+
+  // The status text we want to display when there are no URLs to display.
+  std::wstring status_text_;
+
+  // The url we want to display when there is not status text to display.
+  std::wstring url_text_;
+
+  // Position relative to the parent window.
+  CPoint position_;
+  CSize size_;
+
+  // How vertically offset the bubble is from its root position_.
+  int offset_;
+
+  // We use a HWND for the popup so that it may float above any HWNDs in our
+  // UI (the location bar, for example).
+  ChromeViews::HWNDViewContainer* popup_;
+  double opacity_;
+
+  ChromeViews::ViewContainer* frame_;
+  StatusView* view_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(StatusBubble);
+};
+
+#endif  // CHROME_BROWSER_VIEWS_STATUS_BUBBLE_H__