Move LowerCaseEqualsASCII to base namespace

chrome/renderer/chrome_render_view_observer.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 "chrome/renderer/chrome_render_view_observer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
@@ skipping 467 matching lines @@
 
   WebNodeList children = head.childNodes();
   for (size_t i = 0; i < children.length(); ++i) {
     WebNode node = children.item(i);
     if (!node.isElementNode())
       continue;
     WebElement element = node.to<WebElement>();
     if (!element.hasHTMLTagName(tag_name))
       continue;
     WebString value = element.getAttribute(attribute_name);
-    if (value.isNull() || !LowerCaseEqualsASCII(value, "refresh"))
+    if (value.isNull() || !base::LowerCaseEqualsASCII(value, "refresh"))
       continue;
     return true;
   }
   return false;
 }