content: Move kStandardSchemeSeparator into content namespace.

content/public/common/url_constants.cc

Index: content/public/common/url_constants.cc
diff --git a/content/public/common/url_constants.cc b/content/public/common/url_constants.cc
index 84faeaed554ca70654a71d9e49bd1e48debe82c5..4ac3da67e08cb083896966392bca126432778512 100644
--- a/content/public/common/url_constants.cc
+++ b/content/public/common/url_constants.cc
@@ -52,8 +52,6 @@ const char kMetadataScheme[] = "metadata";
 const char kSwappedOutScheme[] = "swappedout";
 const char kViewSourceScheme[] = "view-source";
 
-const char kStandardSchemeSeparator[] = "://";
-
 const char kAboutBlankURL[] = "about:blank";
 const char kChromeUIAppCacheInternalsHost[] = "appcache-internals";
 const char kChromeUIBlobInternalsHost[] = "blob-internals";
@@ -73,6 +71,8 @@ const char kChromeUIShorthangURL[] = "chrome://shorthang";
 
 namespace content {
 
+const char kStandardSchemeSeparator[] = "://";
+
 // This error URL is loaded in normal web renderer processes, so it should not
 // have a chrome:// scheme that might let it be confused with a WebUI page.
 const char kUnreachableWebDataURL[] = "data:text/html,chromewebdata";