Cleanup: Move kAboutScheme constant into content namespace.

content/public/common/url_constants.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/common/url_constants.h"
 
-namespace chrome {
+namespace content {
 
 const char kAboutScheme[] = "about";
-
-}  // namespace chrome
-
-namespace content {
-
 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";
@@ skipping 40 matching lines @@
 
 const char kChromeUINetworkViewCacheURL[] = "chrome://view-http-cache/";
 const char kChromeUIShorthangURL[] = "chrome://shorthang";
 
 // This URL is loaded when a page is swapped out and replaced by a page in a
 // different renderer process.  It must have a unique origin that cannot be
 // scripted by other pages in the process.
 const char kSwappedOutURL[] = "swappedout://";
 
 }  // namespace content