Cache accessibility description rather than returning temporary.

content/browser/accessibility/browser_accessibility_gtk.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 "content/browser/accessibility/browser_accessibility_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_manager_gtk.h"
@@ skipping 25 matching lines @@
 }
 
 static const gchar* browser_accessibility_get_name(AtkObject* atk_object) {
   BrowserAccessibilityGtk* obj = ToBrowserAccessibilityGtk(atk_object);
   return obj->atk_acc_name().c_str();
 }
 
 static const gchar* browser_accessibility_get_description(
     AtkObject* atk_object) {
   BrowserAccessibilityGtk* obj = ToBrowserAccessibilityGtk(atk_object);
-  string16 description;
-  obj->GetStringAttribute(WebAccessibility::ATTR_DESCRIPTION, &description);
-  return UTF16ToUTF8(description).c_str();
+  return obj->atk_acc_description().c_str();
 }
 
 static AtkObject* browser_accessibility_get_parent(AtkObject* atk_object) {
   BrowserAccessibilityGtk* obj = ToBrowserAccessibilityGtk(atk_object);
   if (obj->parent())
     return obj->parent()->ToBrowserAccessibilityGtk()->GetAtkObject();
   else
     return gtk_widget_get_accessible(obj->manager()->GetParentView());
 }
 
@@ skipping 247 matching lines @@
         atk_object_,
         this->parent()->ToBrowserAccessibilityGtk()->GetAtkObject());
   }
 }
 
 bool BrowserAccessibilityGtk::IsNative() const {
   return true;
 }
 
 void BrowserAccessibilityGtk::InitRoleAndState() {
-  atk_acc_name_ = UTF16ToUTF8(name()).c_str();
+  atk_acc_name_ = UTF16ToUTF8(name());
+
+  string16 description;
+  GetStringAttribute(WebAccessibility::ATTR_DESCRIPTION, &description);
+  atk_acc_description_ = UTF16ToUTF8(description);
 
   switch(role_) {
     case WebAccessibility::ROLE_BUTTON:
       atk_role_ = ATK_ROLE_PUSH_BUTTON;
       break;
     case WebAccessibility::ROLE_CHECKBOX:
       atk_role_ = ATK_ROLE_CHECK_BOX;
       break;
     case WebAccessibility::ROLE_COMBO_BOX:
       atk_role_ = ATK_ROLE_COMBO_BOX;
@@ skipping 11 matching lines @@
       atk_role_ = ATK_ROLE_ENTRY;
       break;
     case WebAccessibility::ROLE_WEBCORE_LINK:
       atk_role_ = ATK_ROLE_LINK;
       break;
     default:
       atk_role_ = ATK_ROLE_UNKNOWN;
       break;
   }
 }