Revert https://src.chromium.org/viewvc/chrome?view=rev&revision=283728

chrome/browser/ui/browser_commands.cc

Index: chrome/browser/ui/browser_commands.cc
diff --git a/chrome/browser/ui/browser_commands.cc b/chrome/browser/ui/browser_commands.cc
index 788e76ce5225aa0b9eeaf9c42b343ea0a71ccc0b..57533e8afedd2d88e25f84702c7fe3ebad6f8638 100644
--- a/chrome/browser/ui/browser_commands.cc
+++ b/chrome/browser/ui/browser_commands.cc
@@ -1157,17 +1157,6 @@ void ViewSource(Browser* browser, WebContents* contents) {
   if (!entry)
     return;
 
-  // The URL "data:," is a special case, since Blink uses it when it wants to
-  // show a "blocked page" from its reflected XSS filter. When the XSS filter
-  // triggers, the current entry gets marked as containing an XSS, and then a
-  // new navigation to "data:," occurs on top of it. Showing that page in place
-  // of the "data:," URL permits examination of the cause of the reflection.
-  if (entry->GetURL() == GURL("data:,")) {
-    NavigationEntry* previous = contents->GetController().GetEntryAtOffset(-1);
-    if (previous && previous->GetXssDetected())
-      entry = previous;
-  }
-
   ViewSource(browser, contents, entry->GetURL(), entry->GetPageState());
 }