CHR-1796: Implement UIATextProvider::get_Value method.

ui/base/win/accessibility_misc_utils.cc

 // Copyright (c) 2012 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.
 #include "ui/base/win/accessibility_misc_utils.h"
 
 #include "base/logging.h"
 #include "ui/base/win/atl_module.h"
 
 namespace base {
 namespace win {
 
 // UIA TextProvider implementation.
 UIATextProvider::UIATextProvider()
     : editable_(false) {}
 
 // static
-bool UIATextProvider::CreateTextProvider(bool editable, IUnknown** provider) {
+bool UIATextProvider::CreateTextProvider(const string16& value,
+                                         bool editable,
+                                         IUnknown** provider) {
   // Make sure ATL is initialized in this module.
   ui::win::CreateATLModuleIfNeeded();
 
   CComObject<UIATextProvider>* text_provider = NULL;
   HRESULT hr = CComObject<UIATextProvider>::CreateInstance(&text_provider);
   if (SUCCEEDED(hr)) {
     DCHECK(text_provider);
     text_provider->set_editable(editable);
+    text_provider->set_value(value);
     text_provider->AddRef();
     *provider = static_cast<ITextProvider*>(text_provider);
     return true;
   }
   return false;
 }
 
 STDMETHODIMP UIATextProvider::get_IsReadOnly(BOOL* read_only) {
   *read_only = !editable_;
   return S_OK;
 }
 
+STDMETHODIMP UIATextProvider::get_Value(BSTR* value) {
+  *value = SysAllocString(value_.c_str());
+  return S_OK;
+}
+
 }  // namespace win
 }  // namespace base