Handling of different types of empty alt

content/browser/accessibility/browser_accessibility_win.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_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include <algorithm>
@@ skipping 4267 matching lines @@
 }
 
 HRESULT BrowserAccessibilityWin::GetStringAttributeAsBstr(
     ui::AXStringAttribute attribute,
     BSTR* value_bstr) {
   base::string16 str;
 
   if (!GetString16Attribute(attribute, &str))
     return S_FALSE;
 
-  if (str.empty())
-    return S_FALSE;
-
   *value_bstr = SysAllocString(str.c_str());
   DCHECK(*value_bstr);
 
   return S_OK;
 }
 
 // Static
 void BrowserAccessibilityWin::SanitizeStringAttributeForIA2(
     const base::string16& input,
     base::string16* output) {
@@ skipping 1347 matching lines @@
   return static_cast<BrowserAccessibilityWin*>(obj);
 }
 
 const BrowserAccessibilityWin*
 ToBrowserAccessibilityWin(const BrowserAccessibility* obj) {
   DCHECK(!obj || obj->IsNative());
   return static_cast<const BrowserAccessibilityWin*>(obj);
 }
 
 }  // namespace content