content: Move kStandardSchemeSeparator into content namespace.

chrome/browser/extensions/extension_browsertests_misc.cc

Index: chrome/browser/extensions/extension_browsertests_misc.cc
diff --git a/chrome/browser/extensions/extension_browsertests_misc.cc b/chrome/browser/extensions/extension_browsertests_misc.cc
index cf98af472e539002a6ffdcb637a7d32813a9bf40..1c49de083d16e8ba8c88a5e9905b0753753f0d9c 100644
--- a/chrome/browser/extensions/extension_browsertests_misc.cc
+++ b/chrome/browser/extensions/extension_browsertests_misc.cc
@@ -356,7 +356,7 @@ GURL GetFeedUrl(net::TestServer* server, const std::string& feed_page,
     // We navigate directly to the subscribe page for feeds where the feed
     // sniffing won't work, in other words, as is the case for malformed feeds.
     return GURL(std::string(chrome::kExtensionScheme) +
-        chrome::kStandardSchemeSeparator +
+        content::kStandardSchemeSeparator +
         extension_id + std::string(kSubscribePage) + std::string("?") +
         feed_url.spec() + std::string("&synchronous"));
   } else {