Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index 32b446715375b0dce7a37b0fc4c843d5faa0ed0d..b1067396b22b0ebf969bda89d3f8f208adb83ae9 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -80,10 +80,10 @@ class HeaderFlattener : public WebHTTPHeaderVisitor {
 
     // Skip over referrer headers found in the header map because we already
     // pulled it out as a separate parameter.
-    if (LowerCaseEqualsASCII(name_latin1, "referer"))
+    if (base::LowerCaseEqualsASCII(name_latin1, "referer"))
       return;
 
-    if (LowerCaseEqualsASCII(name_latin1, "accept"))
+    if (base::LowerCaseEqualsASCII(name_latin1, "accept"))
       has_accept_header_ = true;
 
     if (!buffer_.empty())