Move LowerCaseEqualsASCII to base namespace

ui/accessibility/ax_node_data.cc

 // Copyright 2013 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 "ui/accessibility/ax_node_data.h"
 
 #include <set>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 183 matching lines @@
     return true;
   }
 
   return false;
 }
 
 bool AXNodeData::GetHtmlAttribute(
     const char* html_attr, std::string* value) const {
   for (size_t i = 0; i < html_attributes.size(); ++i) {
     const std::string& attr = html_attributes[i].first;
-    if (LowerCaseEqualsASCII(attr, html_attr)) {
+    if (base::LowerCaseEqualsASCII(attr, html_attr)) {
       *value = html_attributes[i].second;
       return true;
     }
   }
 
   return false;
 }
 
 bool AXNodeData::GetHtmlAttribute(
     const char* html_attr, base::string16* value) const {
@@ skipping 445 matching lines @@
     }
   }
 
   if (!child_ids.empty())
     result += " child_ids=" + IntVectorToString(child_ids);
 
   return result;
 }
 
 }  // namespace ui