Added about:about page....

chrome/common/url_constants.cc

 // Copyright (c) 2010 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 <stdlib.h>
 
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/url_util.h"
 
 namespace chrome {
@@ skipping 33 matching lines @@
 const char kAboutBlankURL[] = "about:blank";
 const char kAboutCacheURL[] = "about:cache";
 const char kAboutCrashURL[] = "about:crash";
 const char kAboutCreditsURL[] = "about:credits";
 const char kAboutHangURL[] = "about:hang";
 const char kAboutMemoryURL[] = "about:memory";
 const char kAboutNetInternalsURL[] = "about:net-internals";
 const char kAboutPluginsURL[] = "about:plugins";
 const char kAboutShorthangURL[] = "about:shorthang";
 const char kAboutTermsURL[] = "about:terms";
+const char kAboutAboutURL[] = "about:about";
+const char kAboutDNSURL[] = "about:dns";
+const char kAboutHistogramsURL[] = "about:histograms";
+const char kAboutVersionURL[] = "about:version";
 
 // Use an obfuscated URL to make this nondiscoverable, we only want this
 // to be used for testing.
 const char kAboutBrowserCrash[] = "about:inducebrowsercrashforrealz";
 
 const char kChromeUIAppLauncherURL[] = "chrome://newtab/#mode=app-launcher";
 const char kChromeUIBookmarksURL[] = "chrome://bookmarks/";
 const char kChromeUIDevToolsURL[] = "chrome://devtools/";
 const char kChromeUIDownloadsURL[] = "chrome://downloads/";
 const char kChromeUIExtensionsURL[] = "chrome://extensions/";
@@ skipping 60 matching lines @@
 
   // Prevent future modification of the standard schemes list. This is to
   // prevent accidental creation of data races in the program. AddStandardScheme
   // isn't threadsafe so must be called when GURL isn't used on any other
   // thread. This is really easy to mess up, so we say that all calls to
   // AddStandardScheme in Chrome must be inside this function.
   url_util::LockStandardSchemes();
 }
 
 }  // namespace chrome