content: Use stl utilities from the base namespace

content/common/origin_util.cc

Index: content/common/origin_util.cc
diff --git a/content/common/origin_util.cc b/content/common/origin_util.cc
index 275d28f05d9a8eeb3e698feef3516475a20c8718..11873d63cfd9de6f8b7b2c4592d785abef089e42 100644
--- a/content/common/origin_util.cc
+++ b/content/common/origin_util.cc
@@ -62,11 +62,12 @@ bool IsOriginSecure(const GURL& url) {
   if (net::IsLocalhost(hostname))
     return true;
 
-  if (ContainsKey(g_trustworthy_whitelist.Get().secure_schemes(), url.scheme()))
+  if (base::ContainsKey(g_trustworthy_whitelist.Get().secure_schemes(),
+                        url.scheme()))
     return true;
 
-  if (ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
-                  url.GetOrigin())) {
+  if (base::ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
+                        url.GetOrigin())) {
     return true;
   }
 
@@ -77,8 +78,8 @@ bool OriginCanAccessServiceWorkers(const GURL& url) {
   if (url.SchemeIsHTTPOrHTTPS() && IsOriginSecure(url))
     return true;
 
-  if (ContainsKey(g_trustworthy_whitelist.Get().service_worker_schemes(),
-                  url.scheme())) {
+  if (base::ContainsKey(g_trustworthy_whitelist.Get().service_worker_schemes(),
+                        url.scheme())) {
     return true;
   }