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diff --git a/chrome/views/accessibility/accessible_wrapper.cc b/chrome/views/accessibility/accessible_wrapper.cc
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+++ b/chrome/views/accessibility/accessible_wrapper.cc
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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.
+
+#include "chrome/views/accessibility/accessible_wrapper.h"
+
+#include "base/logging.h"
+#include "chrome/views/accessibility/view_accessibility.h"
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// AccessibleWrapper - constructors, destructors
+//
+////////////////////////////////////////////////////////////////////////////////
+
+AccessibleWrapper::AccessibleWrapper(ChromeViews::View* view) :
+    accessibility_info_(NULL),
+    view_(view) {
+}
+
+STDMETHODIMP AccessibleWrapper::CreateDefaultInstance(REFIID iid) {
+  if (IID_IUnknown == iid || IID_IDispatch == iid || IID_IAccessible == iid) {
+    // If there is no instance of ViewAccessibility created, create it
+    // now. Otherwise reuse previous instance.
+    if (!accessibility_info_) {
+      CComObject<ViewAccessibility>* instance = NULL;
+
+      HRESULT hr = CComObject<ViewAccessibility>::CreateInstance(&instance);
+      DCHECK(SUCCEEDED(hr));
+
+      if (!instance)
+        return E_FAIL;
+
+      CComPtr<IAccessible> accessibility_instance(instance);
+
+      if (!SUCCEEDED(instance->Initialize(view_)))
+        return E_FAIL;
+
+      // All is well, assign the temp instance to the class smart pointer.
+      accessibility_info_.Attach(accessibility_instance.Detach());
+    }
+    return S_OK;
+  }
+  // Interface not supported.
+  return E_NOINTERFACE;
+}
+
+STDMETHODIMP AccessibleWrapper::GetInstance(REFIID iid, void** interface_ptr) {
+  if (IID_IUnknown == iid || IID_IDispatch == iid || IID_IAccessible == iid) {
+    // If there is no accessibility instance created, create a default now.
+    // Otherwise reuse previous instance.
+    if (!accessibility_info_) {
+      HRESULT hr = CreateDefaultInstance(iid);
+
+      if (hr != S_OK) {
+        // Interface creation failed.
+        *interface_ptr = NULL;
+        return E_NOINTERFACE;
+      }
+    }
+    *interface_ptr = static_cast<IAccessible*>(accessibility_info_);
+    return S_OK;
+  }
+  // No supported interface found, return error.
+  *interface_ptr = NULL;
+  return E_NOINTERFACE;
+}
+
+STDMETHODIMP AccessibleWrapper::SetInstance(IAccessible* interface_ptr) {
+  if (!interface_ptr)
+    return E_NOINTERFACE;
+
+  accessibility_info_.Attach(interface_ptr);
+
+  // Paranoia check, to make sure we do have a valid IAccessible pointer stored.
+  if (!accessibility_info_)
+    return E_FAIL;
+
+  return S_OK;
+}