Move LowerCaseEqualsASCII to base namespace

components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc

Index: components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
diff --git a/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc b/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
index 35c93f51f860374837961bad1d6284f5620f6494..b4232750e8393d15d177c743418f9c88e65e6ed2 100644
--- a/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
+++ b/components/data_reduction_proxy/core/common/data_reduction_proxy_headers.cc
@@ -74,9 +74,8 @@ bool GetDataReductionProxyActionValue(
 
   while (headers->EnumerateHeader(&iter, kChromeProxyHeader, &value)) {
     if (value.size() > prefix.size()) {
-      if (LowerCaseEqualsASCII(value.begin(),
-                               value.begin() + prefix.size(),
-                               prefix.c_str())) {
+      if (base::LowerCaseEqualsASCII(
+              value.begin(), value.begin() + prefix.size(), prefix.c_str())) {
         if (action_value)
           *action_value = value.substr(prefix.size());
         return true;
@@ -99,9 +98,8 @@ bool ParseHeadersAndSetBypassDuration(const net::HttpResponseHeaders* headers,
 
   while (headers->EnumerateHeader(&iter, kChromeProxyHeader, &value)) {
     if (value.size() > prefix.size()) {
-      if (LowerCaseEqualsASCII(value.begin(),
-                               value.begin() + prefix.size(),
-                               prefix.c_str())) {
+      if (base::LowerCaseEqualsASCII(
+              value.begin(), value.begin() + prefix.size(), prefix.c_str())) {
         int64 seconds;
         if (!base::StringToInt64(
                 StringPiece(value.begin() + prefix.size(), value.end()),
@@ -305,10 +303,10 @@ void GetDataReductionProxyHeaderWithFingerprintRemoved(
   void* iter = NULL;
   while (headers->EnumerateHeader(&iter, kChromeProxyHeader, &value)) {
     if (value.size() > chrome_proxy_fingerprint_prefix.size()) {
-      if (LowerCaseEqualsASCII(
-          value.begin(),
-          value.begin() + chrome_proxy_fingerprint_prefix.size(),
-          chrome_proxy_fingerprint_prefix.c_str())) {
+      if (base::LowerCaseEqualsASCII(
+              value.begin(),
+              value.begin() + chrome_proxy_fingerprint_prefix.size(),
+              chrome_proxy_fingerprint_prefix.c_str())) {
         continue;
       }
     }