Handling of different types of empty alt

content/browser/accessibility/browser_accessibility_auralinux.cc

 // Copyright (c) 2015 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_auralinux.h"
 
 #include <stdint.h>
 #include <string.h>
 
 #include "base/strings/string16.h"
@@ skipping 453 matching lines @@
 
   return ToBrowserAccessibilityAuraLinux(BROWSER_ACCESSIBILITY(atk_object));
 }
 
 static const gchar* browser_accessibility_get_name(AtkObject* atk_object) {
   BrowserAccessibilityAuraLinux* obj =
       ToBrowserAccessibilityAuraLinux(atk_object);
   if (!obj)
     return NULL;
 
+  if (obj->GetStringAttribute(ui::AX_ATTR_NAME).empty() &&
+      !obj->HasExplicitlyEmptyName())
+    return NULL;
+
   return obj->GetStringAttribute(ui::AX_ATTR_NAME).c_str();
 }
 
 static const gchar* browser_accessibility_get_description(
     AtkObject* atk_object) {
   BrowserAccessibilityAuraLinux* obj =
       ToBrowserAccessibilityAuraLinux(atk_object);
   if (!obj)
     return NULL;
 
@@ skipping 480 matching lines @@
       atk_role_ = ATK_ROLE_SECTION;
 #endif
       break;
     default:
       atk_role_ = ATK_ROLE_UNKNOWN;
       break;
   }
 }
 
 }  // namespace content