Make the location bar generate accessibility extension API events...

chrome/browser/views/accessible_view_helper.cc

 // Copyright (c) 2010 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/views/accessible_view_helper.h"
 
 #include "app/l10n_util.h"
 #include "chrome/browser/accessibility_events.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/notification_service.h"
+#include "views/widget/widget.h"
 
 using views::View;
 
 AccessibleViewHelper::AccessibleViewHelper(
     View* view_tree, Profile* profile)
     : accessibility_event_router_(AccessibilityEventRouterViews::GetInstance()),
       profile_(profile),
       view_tree_(view_tree) {
   if (!accessibility_event_router_->AddViewTree(view_tree_, profile))
     view_tree_ = NULL;
+
+#if defined(OS_LINUX)
+  GtkWidget* widget = view_tree->GetWidget()->GetNativeView();
+  widget_helper_.reset(new AccessibleWidgetHelper(widget, profile));
+#endif
 }
 
 AccessibleViewHelper::~AccessibleViewHelper() {
   if (!window_title_.empty()) {
     AccessibilityWindowInfo info(profile_, window_title_);
     NotificationService::current()->Notify(
         NotificationType::ACCESSIBILITY_WINDOW_CLOSED,
         Source<Profile>(profile_),
         Details<AccessibilityWindowInfo>(&info));
   }
@@ skipping 33 matching lines @@
 }
 
 void AccessibleViewHelper::SetViewName(View* view, int string_id) {
   if (!view_tree_)
     return;
 
   std::string name = l10n_util::GetStringUTF8(string_id);
   accessibility_event_router_->SetViewName(view, name);
   managed_views_.push_back(view);
 }