Move LowerCaseEqualsASCII to base namespace

net/url_request/url_request_file_job.cc

Index: net/url_request/url_request_file_job.cc
diff --git a/net/url_request/url_request_file_job.cc b/net/url_request/url_request_file_job.cc
index 864001e4b854efa462076fb3e56ffa10ce3934aa..17bc642db4cc9138703146241b7e1fb8ade23c45 100644
--- a/net/url_request/url_request_file_job.cc
+++ b/net/url_request/url_request_file_job.cc
@@ -140,7 +140,7 @@ bool URLRequestFileJob::IsRedirectResponse(GURL* location,
 #if defined(OS_WIN)
   // Follow a Windows shortcut.
   // We just resolve .lnk file, ignore others.
-  if (!LowerCaseEqualsASCII(file_path_.Extension(), ".lnk"))
+  if (!base::LowerCaseEqualsASCII(file_path_.Extension(), ".lnk"))
     return false;
 
   base::FilePath new_path = file_path_;
@@ -161,8 +161,9 @@ bool URLRequestFileJob::IsRedirectResponse(GURL* location,
 
 Filter* URLRequestFileJob::SetupFilter() const {
   // Bug 9936 - .svgz files needs to be decompressed.
-  return LowerCaseEqualsASCII(file_path_.Extension(), ".svgz")
-      ? Filter::GZipFactory() : NULL;
+  return base::LowerCaseEqualsASCII(file_path_.Extension(), ".svgz")
+             ? Filter::GZipFactory()
+             : NULL;
 }
 
 bool URLRequestFileJob::GetMimeType(std::string* mime_type) const {