Move StringToLowerASCII to base namespace

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 286 matching lines @@
     is_iframe = (element.tagName() == ASCIIToUTF16("IFRAME"));
 
     if (LowerCaseEqualsASCII(element.getAttribute("aria-expanded"), "true"))
       dst->state |= (1 << ui::AX_STATE_EXPANDED);
 
     // 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,
-        StringToLowerASCII(UTF16ToUTF8(element.tagName())));
+        base::StringToLowerASCII(UTF16ToUTF8(element.tagName())));
     for (unsigned i = 0; i < element.attributeCount(); ++i) {
-      std::string name = StringToLowerASCII(UTF16ToUTF8(
+      std::string name = base::StringToLowerASCII(UTF16ToUTF8(
           element.attributeLocalName(i)));
       std::string value = UTF16ToUTF8(element.attributeValue(i));
       dst->html_attributes.push_back(std::make_pair(name, value));
     }
 
     if (dst->role == ui::AX_ROLE_EDITABLE_TEXT ||
         dst->role == ui::AX_ROLE_TEXT_AREA ||
         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 234 matching lines @@
 blink::WebDocument BlinkAXTreeSource::GetMainDocument() const {
   WebView* view = render_frame_->render_view()->GetWebView();
   WebFrame* main_frame = view ? view->mainFrame() : NULL;
 
   if (main_frame)
     return main_frame->document();
   return WebDocument();
 }
 
 }  // namespace content