Remove about:srcdoc url conversion.

chrome/browser/history/history_utils.cc

Index: chrome/browser/history/history_utils.cc
diff --git a/chrome/browser/history/history_utils.cc b/chrome/browser/history/history_utils.cc
index 1efb0ef893413ed9b4ecb29b4616df3d6263cbdb..8bf6a91e67cd2a866125a0016f098035578df428 100644
--- a/chrome/browser/history/history_utils.cc
+++ b/chrome/browser/history/history_utils.cc
@@ -17,6 +17,7 @@ bool CanAddURLToHistory(const GURL& url) {
   // by a shortcut or menu action.
   // Right now, URLs like about:version are not registered in the history.
   if (url.SchemeIs(url::kJavaScriptScheme) ||
+      url.SchemeIs(url::kAboutScheme) ||
       url.SchemeIs(content::kChromeDevToolsScheme) ||
       url.SchemeIs(content::kChromeUIScheme) ||
       url.SchemeIs(content::kViewSourceScheme) ||
@@ -25,8 +26,5 @@ bool CanAddURLToHistory(const GURL& url) {
       url.SchemeIs(dom_distiller::kDomDistillerScheme))
     return false;
 
-  if (url == url::kAboutBlankURL)
-    return false;
-
   return true;
 }