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diff --git a/chrome/views/container.h b/chrome/views/container.h
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+++ b/chrome/views/container.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_VIEWS_CONTAINER_H_
+#define CHROME_VIEWS_CONTAINER_H_
+
+// TODO(maruel):  Remove once HWND is abstracted.
+#include <windows.h>
+
+// TODO(maruel):  Remove once gfx::Rect is used instead.
+namespace WTL {
+class CRect;
+}
+using WTL::CRect;
+
+namespace ChromeViews {
+
+class RootView;
+class TooltipManager;
+class Accelerator;
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Container interface
+//
+//   Container is an abstract class that defines the API that should be
+//   implemented by a CWindow / HWND implementation in order to host a view
+//   hierarchy.
+//
+//   Container wraps a hierarchy of View objects (see view.h) that implement
+//   painting and flexible layout within the bounds of the Container's window.
+//
+//   The Container is responsible for handling various system events and
+//   forwarding them to the appropriate view.
+//
+/////////////////////////////////////////////////////////////////////////////
+
+class Container {
+ public:
+  virtual ~Container() { }
+
+  // Returns the bounds of this container in the screen coordinate system.
+  // If the receiving view container is a frame which is larger than its
+  // client area, this method returns the client area if including_frame is
+  // false and the frame bounds otherwise. If the receiving view container
+  // is not a frame, including_frame is ignored.
+  virtual void GetBounds(CRect *out, bool including_frame) const = 0;
+
+  // Moves this view container to the front of the Z-Order
+  // If should_activate is TRUE, the window should also become the active
+  // window
+  virtual void MoveToFront(bool should_activate) = 0;
+
+  // Returns the Window HWND associated with this container
+  virtual HWND GetHWND() const = 0;
+
+  // Forces a paint of a specified rectangle immediately.
+  virtual void PaintNow(const CRect& update_rect) = 0;
+
+  // Returns the RootView contained by this container
+  virtual RootView* GetRootView() = 0;
+
+  // Returns whether the view container is visible to the user
+  virtual bool IsVisible() = 0;
+
+  // Returns whether the view container is the currently active window.
+  virtual bool IsActive() = 0;
+
+  // Returns the TooltipManager for this Container. If this Container does not
+  // support tooltips, NULL is returned.
+  virtual TooltipManager* GetTooltipManager() {
+    return NULL;
+  }
+
+  // Returns the accelerator given a command id. Returns false if there is
+  // no accelerator associated with a given id, which is a common condition.
+  virtual bool GetAccelerator(int cmd_id,
+                              Accelerator* accelerator) = 0;
+};
+
+}  // namespace ChromeViews
+
+#endif // CHROME_VIEWS_VIEW_CONTAINER_H_
+