Convert remaining StringToLowerASCII to ToLowerASCII

content/renderer/accessibility/blink_ax_tree_source.cc

 // Copyright 2014 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/renderer/accessibility/blink_ax_tree_source.h"
 
 #include <set>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 364 matching lines @@
 
   if (!node.isNull() && node.isElementNode()) {
     WebElement element = node.to<WebElement>();
     is_iframe = (element.tagName() == ASCIIToUTF16("IFRAME"));
 
     // TODO(ctguil): The tagName in WebKit is lower cased but
     // HTMLElement::nodeName calls localNameUpper. Consider adding
     // a WebElement method that returns the original lower cased tagName.
     dst->AddStringAttribute(
         ui::AX_ATTR_HTML_TAG,
-        base::StringToLowerASCII(UTF16ToUTF8(
+        base::ToLowerASCII(UTF16ToUTF8(
             base::StringPiece16(element.tagName()))));
     for (unsigned i = 0; i < element.attributeCount(); ++i) {
-      std::string name = base::StringToLowerASCII(UTF16ToUTF8(
+      std::string name = base::ToLowerASCII(UTF16ToUTF8(
           base::StringPiece16(element.attributeLocalName(i))));
       std::string value =
           UTF16ToUTF8(base::StringPiece16(element.attributeValue(i)));
       dst->html_attributes.push_back(std::make_pair(name, value));
     }
 
     if (!src.isReadOnly() || dst->role == ui::AX_ROLE_TEXT_FIELD) {
       dst->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_START, src.selectionStart());
       dst->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_END, src.selectionEnd());
 
@@ skipping 258 matching lines @@
   }
 }
 
 blink::WebDocument BlinkAXTreeSource::GetMainDocument() const {
   if (render_frame_ && render_frame_->GetWebFrame())
     return render_frame_->GetWebFrame()->document();
   return WebDocument();
 }
 
 }  // namespace content