Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

chrome/browser/history/visitsegment_database.cc

Index: chrome/browser/history/visitsegment_database.cc
diff --git a/chrome/browser/history/visitsegment_database.cc b/chrome/browser/history/visitsegment_database.cc
index 1d82bb1fe1165f95f4eea3f78c137fe7f0cc809e..7bcbf05506923cb32c898fc65eba634aa34b1ccf 100644
--- a/chrome/browser/history/visitsegment_database.cc
+++ b/chrome/browser/history/visitsegment_database.cc
@@ -108,7 +108,7 @@ std::string VisitSegmentDatabase::ComputeSegmentName(const GURL& url) {
   const char* host_c = host.c_str();
   // Remove www. to avoid some dups.
   if (static_cast<int>(host.size()) > kWWWDotLen &&
-      LowerCaseEqualsASCII(host_c, host_c + kWWWDotLen, kWWWDot)) {
+      base::LowerCaseEqualsASCII(host_c, host_c + kWWWDotLen, kWWWDot)) {
     r.SetHost(host.c_str(),
               url::Component(kWWWDotLen,
                              static_cast<int>(host.size()) - kWWWDotLen));