Move StringToLowerASCII to base namespace

net/proxy/proxy_bypass_rules.cc

Index: net/proxy/proxy_bypass_rules.cc
diff --git a/net/proxy/proxy_bypass_rules.cc b/net/proxy/proxy_bypass_rules.cc
index e402db835c4c0165760a2350b07cda2b4e7fb608..6bf1c6157e560e3fa72b1df152affcb037f962a7 100644
--- a/net/proxy/proxy_bypass_rules.cc
+++ b/net/proxy/proxy_bypass_rules.cc
@@ -21,8 +21,8 @@ class HostnamePatternRule : public ProxyBypassRules::Rule {
   HostnamePatternRule(const std::string& optional_scheme,
                       const std::string& hostname_pattern,
                       int optional_port)
-      : optional_scheme_(StringToLowerASCII(optional_scheme)),
-        hostname_pattern_(StringToLowerASCII(hostname_pattern)),
+      : optional_scheme_(base::StringToLowerASCII(optional_scheme)),
+        hostname_pattern_(base::StringToLowerASCII(hostname_pattern)),
         optional_port_(optional_port) {
   }
 
@@ -35,7 +35,8 @@ class HostnamePatternRule : public ProxyBypassRules::Rule {
 
     // Note it is necessary to lower-case the host, since GURL uses capital
     // letters for percent-escaped characters.
-    return MatchPattern(StringToLowerASCII(url.host()), hostname_pattern_);
+    return MatchPattern(base::StringToLowerASCII(url.host()),
+                        hostname_pattern_);
   }
 
   virtual std::string ToString() const OVERRIDE {