Move some content url constants to /url.

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 278cb7be7fa0a7c406a26b82a8cae225fb7ea1be..c0fa88ac7de597b09cef1958404cf34ac79534c0 100644
--- a/content/public/common/url_constants.cc
+++ b/content/public/common/url_constants.cc
@@ -7,19 +7,12 @@
 namespace content {
 
 const char kAboutScheme[] = "about";
-const char kBlobScheme[] = "blob";
 
 // Before adding new chrome schemes please check with security@chromium.org.
 // There are security implications associated with introducing new schemes.
 const char kChromeDevToolsScheme[] = "chrome-devtools";
 const char kChromeUIScheme[] = "chrome";
-const char kDataScheme[] = "data";
-const char kFileScheme[] = "file";
-const char kFileSystemScheme[] = "filesystem";
-const char kFtpScheme[] = "ftp";
 const char kGuestScheme[] = "chrome-guest";
-const char kJavaScriptScheme[] = "javascript";
-const char kMailToScheme[] = "mailto";
 const char kMetadataScheme[] = "metadata";
 const char kSwappedOutScheme[] = "swappedout";
 const char kViewSourceScheme[] = "view-source";