Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

content/renderer/dom_serializer_browsertest.cc

 // Copyright (c) 2010 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 89 matching lines @@
 // means it is META element, otherwise return false. The parameter charset_info
 // return actual charset info if the META tag has charset declaration.
 bool IsMetaElement(const WebNode& node, std::string& charset_info) {
   if (!node.isElementNode())
     return false;
   const WebElement meta = node.toConst<WebElement>();
   if (!meta.hasHTMLTagName("meta"))
     return false;
   charset_info.erase(0, charset_info.length());
   // Check the META charset declaration.
-  WebString httpEquiv = meta.getAttribute("http-equiv");
-  if (LowerCaseEqualsASCII(httpEquiv, "content-type")) {
+  WebString http_equiv = meta.getAttribute("http-equiv");
+  if (base::LowerCaseEqualsASCII(base::string16(http_equiv), "content-type")) {
     std::string content = meta.getAttribute("content").utf8();
     int pos = content.find("charset", 0);
     if (pos > -1) {
       // Add a dummy charset declaration to charset_info, which indicates this
       // META tag has charset declaration although we do not get correct value
       // yet.
       charset_info.append("has-charset-declaration");
       int remaining_length = content.length() - pos - 7;
       if (!remaining_length)
         return true;
@@ skipping 895 matching lines @@
   NavigateToURL(shell(), file_url);
 
   PostTaskToInProcessRendererAndWait(
         base::Bind(
             &DomSerializerTests::
                 SubResourceForElementsInNonHTMLNamespaceOnRenderer,
             base::Unretained(this), file_url));
 }
 
 }  // namespace content