Improve omnibox accessibility on Windows.

chrome/browser/ui/views/omnibox/omnibox_view_views.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 410 matching lines @@
 bool OmniboxViewViews::IsSelectAll() {
   // TODO(oshima): IME support.
   return textfield_->text() == textfield_->GetSelectedText();
 }
 
 bool OmniboxViewViews::DeleteAtEndPressed() {
   return delete_at_end_pressed_;
 }
 
 void OmniboxViewViews::GetSelectionBounds(string16::size_type* start,
-                                          string16::size_type* end) {
+                                          string16::size_type* end) const {
   ui::Range range;
   textfield_->GetSelectedRange(&range);
   *start = static_cast<size_t>(range.end());
   *end = static_cast<size_t>(range.start());
 }
 
 void OmniboxViewViews::SelectAll(bool reversed) {
   if (reversed)
     textfield_->SelectRange(ui::Range(GetTextLength(), 0));
   else
@@ skipping 265 matching lines @@
 AutocompletePopupView* OmniboxViewViews::CreatePopupView(
     View* location_bar) {
 #if defined(TOUCH_UI)
   typedef TouchAutocompletePopupContentsView AutocompleteContentsView;
 #else
   typedef AutocompletePopupContentsView AutocompleteContentsView;
 #endif
   return new AutocompleteContentsView(gfx::Font(), this, model_.get(),
                                       location_bar);
 }