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diff --git a/chrome/views/accessibility/accessible_wrapper.h b/chrome/views/accessibility/accessible_wrapper.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_VIEWS_ACCESSIBILITY_ACCESSIBLE_WRAPPER_H__
+#define CHROME_VIEWS_ACCESSIBILITY_ACCESSIBLE_WRAPPER_H__
+
+#include <atlcomcli.h>
+#include <oleacc.h>
+#include <windows.h>
+
+#include "base/basictypes.h"
+
+namespace ChromeViews {
+  class View;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// AccessibleWrapper
+//
+// Wrapper class for returning a pointer to the appropriate (platform-specific)
+// accessibility interface for a given View. Needed to keep platform-specific
+// code out of the View class, when answering calls for child/parent IAccessible
+// implementations, for instance.
+//
+////////////////////////////////////////////////////////////////////////////////
+class AccessibleWrapper {
+ public:
+  explicit AccessibleWrapper(ChromeViews::View* view);
+  ~AccessibleWrapper() {}
+
+  STDMETHODIMP CreateDefaultInstance(REFIID iid);
+
+  // Returns a pointer to a specified interface on an object to which a client
+  // currently holds an interface pointer. If pointer exists, it is reused,
+  // otherwise a new pointer is created. Used by accessibility implementation to
+  // retrieve MSAA implementation for child or parent, when navigating MSAA
+  // hierarchy.
+  STDMETHODIMP GetInstance(REFIID iid, void** interface_ptr);
+
+  // Sets the accessibility interface implementation of this wrapper to be
+  // anything the user specifies.
+  STDMETHODIMP SetInstance(IAccessible* interface_ptr);
+
+ private:
+  // Instance of accessibility information and handling for a View.
+  CComPtr<IAccessible> accessibility_info_;
+
+  // View needed to initialize IAccessible.
+  ChromeViews::View* view_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(AccessibleWrapper);
+};
+#endif  // CHROME_VIEWS_ACCESSIBILITY_ACCESSIBLE_WRAPPER_H__